APA Style
Firmansyah, H. (2013).
Advanced Learning : Economics 1 For Grade X Senior High School (Jil.1).
Jakarta:
Grafindo Media Pratama.
MLA Style
Firmansyah, Herlan.
"Advanced Learning : Economics 1 For Grade X Senior High School".
Jil.1
Jakarta:
Grafindo Media Pratama,
2013.
Text.