APA (7th ed.) Citation

Purwanto, A. (2009). Pengantar kosmologi. ITS press.

Chicago Style (17th ed.) Citation

Purwanto, Agus. Pengantar Kosmologi. ITS press, 2009.

MLA (8th ed.) Citation

Purwanto, Agus. Pengantar Kosmologi. ITS press, 2009.

Warning: These citations may not always be 100% accurate.