Gaya APA
Lippincott, Kristen. (2007).
Astronomi .
Jakarta:
Balai Pustaka.
Gaya Chicago
Lippincott, Kristen.
Astronomi.
Jakarta:
Balai Pustaka,
2007.
Teacher Resource.
Gaya MLA
Lippincott, Kristen.
Astronomi.
Jakarta:
Balai Pustaka,
2007.
Teacher Resource.
Gaya Turabian
Lippincott, Kristen.
Astronomi.
Jakarta:
Balai Pustaka,
2007.
Teacher Resource.