ウィリアムヒル
↑ “Hills chief Philip Bowcock to step down as bookmaker increases digital focus” (英語). Racing Post. 2021年3月23日閲覧。
1 2 3 “Annual Report 2017” (PDF). William Hill. 2018年3月30日閲覧。
↑ “William Hill today”. William Hill. 2017年4月29日閲覧。
1 2 3 4 5 William Hill: History
↑ Richard Davenport-Hines, ‘Clore, Sir Charles (1904–1979)’ Oxford Dictionary of National Biography, Oxford University Press, 2004
↑ "BRENT WALKER RECOUPS POUNDS 117M FROM BETTING STAKE OF SEVEN YEARS AGO", The Observer, London, 29 September 1996
↑ “Brent walker group plc: disposal of william hill and delisting”. Brent Walker Group. 2010年4月13日閲覧。
↑ Cope, Nigel (1996年12月7日). “Ex-Goldcrest director jailed over cover-up”. The Independent (London). http://www.independent.co.