United Nations. Economic and Social Commission for Asia and the Pacific. Subcommittee on Energy Resources and Electric Power. (1974). Proceedings of the twelfth session of the Sub-committee on energy resources and electric power, held at Bangkok, 6-13 Dec. 1972. United Nations.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited Nations. Economic and Social Commission for Asia and the Pacific. Subcommittee on Energy Resources and Electric Power. Proceedings of the Twelfth Session of the Sub-committee on Energy Resources and Electric Power, Held at Bangkok, 6-13 Dec. 1972. New York: United Nations, 1974.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnited Nations. Economic and Social Commission for Asia and the Pacific. Subcommittee on Energy Resources and Electric Power. Proceedings of the Twelfth Session of the Sub-committee on Energy Resources and Electric Power, Held at Bangkok, 6-13 Dec. 1972. United Nations, 1974.