S&P/NZX 50
1 2 McVerry, Nick; Vos, Ed (2009). “NZX50: Increased investibility and price pressure on additions and deletions”. New Zealand Journal of Applied Business Research 7 (2): 1–17. オリジナルの24 July 2011時点におけるアーカイブ。. https://web.archive.org/web/20110724191843/http://wms-soros.mngt.waikato.ac.nz/NR/Personal/Ed%20Vos/includes/publications/pdf/nzjabrsubmission.pdf 2010年11月7日閲覧。.