Citace podle APA (7th ed.)
Sperling, D., & Gordon, D. (2009). Two billion cars: Driving toward sustainability. Oxford University Press.
Citace podle Chicago (17th ed.)
Sperling, Daniel, a Deborah Gordon. Two Billion Cars: Driving Toward Sustainability. Oxford ; New York: Oxford University Press, 2009.
Citace podle MLA (9th ed.)
Sperling, Daniel, a Deborah Gordon. Two Billion Cars: Driving Toward Sustainability. Oxford University Press, 2009.
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