United Nations Educational, Scientific and Cultural Organization. (1966). Scientific problems of the humid tropical zone deltas and their implications: Proceedings of the Dacca symposium = Les problemes scientifiques de deltas de la zone tropicale humide et leurs implications : actes du colloque de Dacca, jointly organized by the Government of Pakistan and UNESCO, 24 February to 2 March 1964. s. n.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United Nations Educational, Scientific and Cultural Organization. Scientific Problems of the Humid Tropical Zone Deltas and Their Implications: Proceedings of the Dacca Symposium = Les Problemes Scientifiques De Deltas De La Zone Tropicale Humide Et Leurs Implications : Actes Du Colloque De Dacca, Jointly Organized by the Government of Pakistan and UNESCO, 24 February to 2 March 1964. [Paris: s. n, 1966.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)United Nations Educational, Scientific and Cultural Organization. Scientific Problems of the Humid Tropical Zone Deltas and Their Implications: Proceedings of the Dacca Symposium = Les Problemes Scientifiques De Deltas De La Zone Tropicale Humide Et Leurs Implications : Actes Du Colloque De Dacca, Jointly Organized by the Government of Pakistan and UNESCO, 24 February to 2 March 1964. s. n, 1966.