APA-čujuhus (7. p.)
DeFries, R. S., & Brown, P. (2014). The big ratchet: How humanity thrives in the face of natural crisis : a biography of an ingenious species. Basic Books.
Chicago-čujuhus (17. p.)
DeFries, Ruth S., juo Pauline Brown. The Big Ratchet: How Humanity Thrives in the Face of Natural Crisis : A Biography of an Ingenious Species. New York: Basic Books, 2014.
MLA-čujuhus (9. p.)
DeFries, Ruth S., juo Pauline Brown. The Big Ratchet: How Humanity Thrives in the Face of Natural Crisis : A Biography of an Ingenious Species. Basic Books, 2014.
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