APA-viite (7. p.)
Kirkman, R. (2002). Skeptical environmentalism: The limits of philosophy and science. Indiana University Press.
Chicago-viite (17. p.)
Kirkman, Robert. Skeptical Environmentalism: The Limits of Philosophy and Science. Bloomington: Indiana University Press, 2002.
MLA-viite (9. p.)
Kirkman, Robert. Skeptical Environmentalism: The Limits of Philosophy and Science. Indiana University Press, 2002.
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