Não informado. (1971). Ecology of Food and Nutrition. Gordon and Breach.
Chicago-referens (17:e uppl.)Não informado. Ecology of Food and Nutrition. New York: Gordon and Breach, 1971.
MLA-referens (8:e uppl.)Não informado. Ecology of Food and Nutrition. Gordon and Breach, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.