Gaya APA
Leonard, Jonathan Norton, Sagan, Carl. (1982).
Pustaka Ilmu life: PLANET .
Jakarta:
Tira Pustaka.
Gaya Chicago
Leonard, Jonathan Norton, Sagan, Carl.
Pustaka Ilmu life: PLANET.
Jakarta:
Tira Pustaka,
1982.
Text.
Gaya MLA
Leonard, Jonathan Norton, Sagan, Carl.
Pustaka Ilmu life: PLANET.
Jakarta:
Tira Pustaka,
1982.
Text.
Gaya Turabian
Leonard, Jonathan Norton, Sagan, Carl.
Pustaka Ilmu life: PLANET.
Jakarta:
Tira Pustaka,
1982.
Print.