National Research Council (U.S.), & Committee on Sustainable Agriculture and the Environment in the Humid Tropics. (1993). Sustainable agriculture and the environment in the humid tropics. Washington, D.C: National Academy Press.
Trích dẫn kiểu ChicagoNational Research Council (U.S.), và Committee on Sustainable Agriculture and the Environment in the Humid Tropics. Sustainable Agriculture and the Environment in the Humid Tropics. Washington, D.C: National Academy Press, 1993.
Trích dẫn MLANational Research Council (U.S.), và Committee on Sustainable Agriculture and the Environment in the Humid Tropics. Sustainable Agriculture and the Environment in the Humid Tropics. Washington, D.C: National Academy Press, 1993.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.