Gaya APA
Lippincott, Kristen. (2001).
Astronomi .
Balai Pustaka:
Balai Pustaka.
Gaya Chicago
Lippincott, Kristen.
Astronomi.
Balai Pustaka:
Balai Pustaka,
2001.
Text.
Gaya MLA
Lippincott, Kristen.
Astronomi.
Balai Pustaka:
Balai Pustaka,
2001.
Text.
Gaya Turabian
Lippincott, Kristen.
Astronomi.
Balai Pustaka:
Balai Pustaka,
2001.
Print.