אלדר קושטה
הערות שוליים

↑  2018/19 Premier League squads confirmed, Premier League. 3 September 2018
↑  Hélder Costa, Soccerway.com
↑  António Silva Rodrigues, Benfica B bate Oliveirense na abertura da 16.ª jornada, Diario de Notícias. 23 Novembro 2013
↑  Benfica – Gil Vicente (Fase 3 – jornada 3 Taça da Liga 2013–2014) – Liga Portugal, . Liga Portugal. 25 janeiro 2014
↑  Segunda Liga – Jornada 14 – SL Benfica B vs SC Olhanense, Liga Portugal. 5 novembro 2014
1 2  Helder Costa: Wolves sign Benfica winger on season-long loan, BBC Sport. 29 July 2016
↑  Marc Nouaux, Revivez la victoire des Girondins qui ont bien réagi face à Monaco, 20 minutes. 8 November 2015
↑  Thierry Henry’s Monaco Record Broken by 17-yr-old Mbappe, Sofascore
↑  Rotherham 2–2 Wolves, BBC Sport. 6 August 2016
↑  Wolves 2–1 Cambridge, BBC Sport. 23 August 2016
↑   Newcastle 0 Wolves 2: Rafael Benitez denies charge of complacency after surprise home defeat, The Telegraph, 17 September 2016
↑  Alan Smith, Kodjia and Costa trade penalties as Wolves spoil Bruce’s Aston Villa bow, The Gurdian. 15 October 2016
↑  Jack Skelton, Liverpool 1 Wolves 2, BBC Sport. 28 January 2017
↑  Helder Costa: Wolves sign Benfica winger for club record fee, BBC Sport. 30 January 2017
↑  Tim Spiers, Helder Costa named Wolves Player of the Year, Shropshire Star, May 9, 2017
↑  Ged Scott, Wolves 4 Leeds 1, BBC Sport. 22 November 2017
↑  Wolves: Championship leaders promoted to Premier League after Fulham draw with Brentford, BBC Sport. 14 April 2018
1 2  Helder Costa, Soccerbase.com
↑  Matthew Henry, Tottenham 1–3 Wolves: Wolves stun high-flying Tottenham with three goals in final 18 minutes, BBC Sport. 29 December 2018
↑  Leeds United Complete Helder Costa Signing, Leeds United.com, 3 July 2019
↑  Alex Richards, Leeds sign Helder Costa from Wolves in deal set to cost £15million, Mirror. 3 July 2019
↑  Helder Costa: Leeds United sign Wolves forward on loan before permanent move, BBBC Sport. 3 July 2019
↑  Jordan Harris, Helder Costa Battling Superstition to Become Leeds Sensation, HITC.com. 2019
↑  Report: Bristol City 1-3 Leeds United, Leeds United.com. 4 August 2019
↑  Report: Salford City 0-3 Leeds United, Leeds United.com. 13 August 2019
↑  Leeds Vs Stoke, Sky Sports.com. 27 August 2019
↑  Leeds 4 Middlesbrough 0, Sky Sports.com. 30 November 2019
↑  Helder Costa: Wolves winger completes £16m Leeds move on four-year contract, BBC Sport. 7 July 2020
↑  Championship: Leeds United promoted to Premier League after 16-year absence, BBC Sport. 17 July 2020
↑  Helder Costa leaves Leeds United, Leeds United, 6 October 2023
↑  Official Statment - Hélder Costa, Valencia CF. September 1, 2021
↑  Manuel Blanc, El estreno de Hélder Costa sólo deja dos jugadores sin debutar con Bordalás, Eldesmarque.com. 20 de Septiembre de 2021
↑  Laurie Martin, Leeds United announce departure of Helder Costa on loan, Leeds Live, 7 August 2022
↑  Hélder Costa: Reforço 2024/2025 – Site Oficial do Estoril Praia (ב־European Portuguese)
↑  Joe Donnohue, Former Leeds United promotion winner makes Chinese Super League move after football sabbatical, Yorkshire Evening Post, 24 January 2025
↑  Sub-19: Rui Silva substitui José Costa, Record. 14 julho de 2013
↑  Sub-20: Ilídio Vale convoca 20 para o Torneio de Toulon, Record. 13 maio de 2014
↑  Fernando Santos divulga convocados, Federação Portuguesa de Futebol. 4 de Outubro 2018
↑  Tom English, Portugal condemn Scotland to sixth defeat in eight matches, BBC Sport. 14 October 2018
↑  Shamoon Hafez, Nations League final, BBC Sport. 9 June 2019
↑  Egypt progress in African World Cup qualifying as Algeria edge closer, BBC Sport. 12 November 2021