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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিFood and Agriculture Organization of the United Nations. Consultation on Irrigation in Africa: Proceedings of the Consultation on Irrigation in Africa Lome, Togo 21 - 25 April 1986. Rome: Food and Agriculture Organization of the United Nations, 1987.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিFood and Agriculture Organization of the United Nations. Consultation on Irrigation in Africa: Proceedings of the Consultation on Irrigation in Africa Lome, Togo 21 - 25 April 1986. Food and Agriculture Organization of the United Nations, 1987.