Gaya APA
Maynard, Christopher. (1983).
Planet bumi .
Jakarta:
PT Widyadara.
Gaya Chicago
Maynard, Christopher.
Planet bumi.
Jakarta:
PT Widyadara,
1983.
Text.
Gaya MLA
Maynard, Christopher.
Planet bumi.
Jakarta:
PT Widyadara,
1983.
Text.
Gaya Turabian
Maynard, Christopher.
Planet bumi.
Jakarta:
PT Widyadara,
1983.
Print.