APA (7 ম সংস্করণ) উদ্ধৃতি

Independent Petroleum Association of America. (1971). Petroleum independent. Independent Petroleum Association of America].

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Independent Petroleum Association of America. Petroleum Independent. [Tulsa, Okla.: Independent Petroleum Association of America], 1971.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Independent Petroleum Association of America. Petroleum Independent. Independent Petroleum Association of America], 1971.