APA استشهاد

Alan Thein Durning. (1992). How much is enough: The consumer society and the future of the earth. W.W. Norton & Company.

استشهاد بنمط شيكاغو

Alan Thein Durning. How Much Is Enough: The Consumer Society and the Future of the Earth. New York: W.W. Norton & Company, 1992.

MLA استشهاد

Alan Thein Durning. How Much Is Enough: The Consumer Society and the Future of the Earth. W.W. Norton & Company, 1992.