APA-referens (7:e uppl.)
Durning, A. T. (1992). How much is enough?: The consumer society and the future of the earth. Norton.
Chicago-referens (17:e uppl.)
Durning, Alan Thein. How Much Is Enough?: The Consumer Society and the Future of the Earth. New York: Norton, 1992.
MLA-referens (9:e uppl.)
Durning, Alan Thein. How Much Is Enough?: The Consumer Society and the Future of the Earth. Norton, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.