APA aipamena

Marshak, S. (2005). Earth: Portrait of a planet. New York: W.W. Norton.

Chicago Style aipamena

Marshak, Stephen. Earth: Portrait of a Planet. New York: W.W. Norton, 2005.

MLA aipamena

Marshak, Stephen. Earth: Portrait of a Planet. New York: W.W. Norton, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.