(1971). Ecology of food and nutrition. Gordon and Breach.
Lua i Stíl Chicago (17ú heag.)Ecology of Food and Nutrition. New York: Gordon and Breach, 1971.
Lua MLA (8ú heag.)Ecology of Food and Nutrition. Gordon and Breach, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.