APA (7 ম সংস্করণ) উদ্ধৃতি

United Nations. Economic Commission for Asia and the Far East. (1952). Coal and iron ore resources of Asia and the Far East; prepared by the Secretariat. s.n.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

United Nations. Economic Commission for Asia and the Far East. Coal and Iron Ore Resources of Asia and the Far East; Prepared by the Secretariat. Bangkok: s.n, 1952.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

United Nations. Economic Commission for Asia and the Far East. Coal and Iron Ore Resources of Asia and the Far East; Prepared by the Secretariat. s.n, 1952.