APA Citation

 Marshak, S. (2012).  Earth: Portrait of a planet.  W. W. Norton.

Trích dẫn kiểu Chicago

 Marshak, Stephen.  Earth: Portrait of a Planet.  W. W. Norton, 2012.

MLA Citation

 Marshak, Stephen.  Earth: Portrait of a Planet.  W. W. Norton, 2012.

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