Não informado. (1971). Ecology of Food and Nutrition. Gordon and Breach.
Chicago-Zitierstil (17. Ausg.)Não informado. Ecology of Food and Nutrition. New York: Gordon and Breach, 1971.
MLA-Zitierstil (8. Ausg.)Não informado. Ecology of Food and Nutrition. Gordon and Breach, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.