Grant, I. F. (2003). Public lives: New Zealand's premiers and prime ministers 1856-2003. New Zealand Cartoon Archive : Newspaper Publishers' Association.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিGrant, Ian F. Public Lives: New Zealand's Premiers and Prime Ministers 1856-2003. Wellington, N.Z.: New Zealand Cartoon Archive : Newspaper Publishers' Association, 2003.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিGrant, Ian F. Public Lives: New Zealand's Premiers and Prime Ministers 1856-2003. New Zealand Cartoon Archive : Newspaper Publishers' Association, 2003.
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