Lua APA (7ú heag.)
Pilkey, O. H., & Pilkey-Jarvis, L. (2007). Useless arithmetic: Why environmental scientists can't predict the future. Columbia University Press.
Lua i Stíl Chicago (17ú heag.)
Pilkey, Orrin H., agus Linda Pilkey-Jarvis. Useless Arithmetic: Why Environmental Scientists Can't Predict the Future. New York: Columbia University Press, 2007.
Lua MLA (9ú heag.)
Pilkey, Orrin H., agus Linda Pilkey-Jarvis. Useless Arithmetic: Why Environmental Scientists Can't Predict the Future. Columbia University Press, 2007.
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