APA (7 ম সংস্করণ) উদ্ধৃতি

United Nations. Special Sahelian Office. (1974). Outline analysis for mining sector: Sudano-Sahelian region. s.n.].

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

United Nations. Special Sahelian Office. Outline Analysis for Mining Sector: Sudano-Sahelian Region. [s.l.: s.n.], 1974.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

United Nations. Special Sahelian Office. Outline Analysis for Mining Sector: Sudano-Sahelian Region. s.n.], 1974.