Gaya APA
Marshak, Stephen. (2012).
Earth: portrait of a planet (4).
Canada:
W. W. Norton & Company.
Gaya Chicago
Marshak, Stephen.
Earth: portrait of a planet.
4
Canada:
W. W. Norton & Company,
2012.
Text.
Gaya MLA
Marshak, Stephen.
Earth: portrait of a planet.
4
Canada:
W. W. Norton & Company,
2012.
Text.
Gaya Turabian
Marshak, Stephen.
Earth: portrait of a planet.
4
Canada:
W. W. Norton & Company,
2012.
Print.