APA (7 वां संस्करण) प्रशस्ति पत्र
Durning, A. T. (1992). How much is enough?: The consumer society and the future of the earth. Norton.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Durning, Alan Thein. How Much Is Enough?: The Consumer Society and the Future of the Earth. New York: Norton, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Durning, Alan Thein. How Much Is Enough?: The Consumer Society and the Future of the Earth. Norton, 1992.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.