Penggayaan APA
Marshak, Stephen. (2012).
Earth :potrait of a planet .
New York:
Norton.
Chicago Style
Marshak, Stephen.
Earth :potrait of a planet.
New York:
Norton,
2012.
Text.
MLA Style
Marshak, Stephen.
Earth :potrait of a planet.
New York:
Norton,
2012.
Text.
Turabian Style
Marshak, Stephen.
Earth :potrait of a planet.
New York:
Norton,
2012.
Print.