British Ecological Society. Tropical Group, Garlick, J. P., & Keay, R. W. J. (1970). Human ecology in the tropics. Pergamon Press.
Chicago-referens (17:e uppl.)British Ecological Society. Tropical Group, James Patton Garlick, och Ronald William John Keay. Human Ecology in the Tropics. Oxford: Pergamon Press, 1970.
MLA-referens (9:e uppl.)British Ecological Society. Tropical Group, et al. Human Ecology in the Tropics. Pergamon Press, 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.