APA citiranje
Marshak, S., & Prothero, D. R. (2001). Earth: Portrait of a planet. Norton.
Chicago Style (17th ed.) Citation
Marshak, Stephen, and Donald R. Prothero. Earth: Portrait of a Planet. New York: Norton, 2001.
MLA citiranje
Marshak, Stephen, and Donald R. Prothero. Earth: Portrait of a Planet. Norton, 2001.
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