Gaya APA

Lippincott, K., Harapan, A, A. (2007). Astronomi (Cet. 4. --). Jakarta: Balai Pustaka - Dorling Kindersley.

Gaya MLA

Lippincott, Kristen., Harapan, Ari, Anggari. "Astronomi". Cet. 4. -- Jakarta: Balai Pustaka - Dorling Kindersley, 2007. Text / Book.