Gaya APA

Pirani, F., Roche, C. (2001). Mengenal alam semesta for beginners (Cet.4). Bandung : Mizan.

Gaya MLA

Pirani, Felix., Roche, Christine. "Mengenal alam semesta for beginners". Cet.4 Bandung : Mizan, 2001. Buku.