Gaya APA

Somentri, L., huda, N. (2011). Advanced Learning Geography 2 (Cet.1). Bandung: Grafindo Media Pratama.

Gaya MLA

Somentri, Lili., huda, Nurul. "Advanced Learning Geography 2". Cet.1 Bandung: Grafindo Media Pratama, 2011. Text.