Gaya APA
Firmansyah, H., Pernando, R. (2010).
Advanced Learning ECONOMICS 3 For Grade XII Senior High School .
Bandung:
Facil Grafindo.
Gaya MLA
Firmansyah, Herlan., Pernando, Romi.
"Advanced Learning ECONOMICS 3 For Grade XII Senior High School".
Bandung:
Facil Grafindo,
2010.
Book.