Marshak, S. (2015). Earth: Portrait of a planet. New York: W.W. Norton & Company.
Čikaški stil citiranjaMarshak, Stephen. Earth: Portrait of a Planet. New York: W.W. Norton & Company, 2015.
MLA način citiranjaMarshak, Stephen. Earth: Portrait of a Planet. New York: W.W. Norton & Company, 2015.
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