Gaya APA

S.Si, R, H. (2008). ENSIKLOPEDIA ASTRONOMI ( PLANET ) (12). Hoboken, NJ: Wiley.

Gaya MLA

S.Si, ROHMAT, HARYADI. "ENSIKLOPEDIA ASTRONOMI ( PLANET )". 12 Hoboken, NJ: Wiley, 2008. Printed Book.