APA-viite (7. p.)
Durning, A. T. (1992). How much is enough?: The consumer society and the future of the earth. Norton.
Chicago-viite (17. p.)
Durning, Alan Thein. How Much Is Enough?: The Consumer Society and the Future of the Earth. New York: Norton, 1992.
MLA-viite (9. p.)
Durning, Alan Thein. How Much Is Enough?: The Consumer Society and the Future of the Earth. Norton, 1992.
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