National Research Council (U.S.). Committee on Sustainable Agriculture and the Environment in the Humid Tropics & ebrary, Inc. (1993). Sustainable agriculture and the environment in the humid tropics. National Academy Press.
Chicago-referens (17:e uppl.)National Research Council (U.S.). Committee on Sustainable Agriculture and the Environment in the Humid Tropics och Inc ebrary. Sustainable Agriculture and the Environment in the Humid Tropics. Washington, D.C.: National Academy Press, 1993.
MLA-referens (9:e uppl.)National Research Council (U.S.). Committee on Sustainable Agriculture and the Environment in the Humid Tropics och Inc ebrary. Sustainable Agriculture and the Environment in the Humid Tropics. National Academy Press, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.