Gaya APA

Somantri, L., Huda, N. (2014). Advanced Learning Geography 2 for Grade XI Senior High School Social Sciences Programme . Bandung: Grafindo.

Gaya MLA

Somantri, Lili., Huda, Nurul. "Advanced Learning Geography 2 for Grade XI Senior High School Social Sciences Programme". Bandung: Grafindo, 2014. Text.