Gaya APA
Monroe, James S. (2012).
The Changing Earth .
Amerika:
Brooks/Cole Cengage Learning.
Gaya Chicago
Monroe, James S.
The Changing Earth.
Amerika:
Brooks/Cole Cengage Learning,
2012.
Text.
Gaya MLA
Monroe, James S.
The Changing Earth.
Amerika:
Brooks/Cole Cengage Learning,
2012.
Text.
Gaya Turabian
Monroe, James S.
The Changing Earth.
Amerika:
Brooks/Cole Cengage Learning,
2012.
Print.