Kirkman, R. (2002). Skeptical environmentalism: The limits of philosophy and science. Indiana University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKirkman, Robert. Skeptical Environmentalism: The Limits of Philosophy and Science. Bloomington: Indiana University Press, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKirkman, Robert. Skeptical Environmentalism: The Limits of Philosophy and Science. Indiana University Press, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.