Gaya APA

Pirani, F., Roche, C. (2001). Mengenal Alam Semesta, For Beginners (Cet.4). Jakarta: Mizan.

Gaya MLA

Pirani, Felix., Roche, Cristine. "Mengenal Alam Semesta, For Beginners". Cet.4 Jakarta: Mizan, 2001. Text.