Gaya APA
Somantri, L., Huda, N, F. (2010).
Advanced Learning Geography 1 For Grade X Senior High School .
Bandung:
Facil Grafindo.
Gaya MLA
Somantri, Lili., Huda, Nurul, F..
"Advanced Learning Geography 1 For Grade X Senior High School".
Bandung:
Facil Grafindo,
2010.
Book.