Gaya APA
Firmansyah, Herlan. (2012).
Advanced learning economics 2 for grade XI senior high school .
Bandung:
Grafindo Media Pratama.
Gaya Chicago
Firmansyah, Herlan.
Advanced learning economics 2 for grade XI senior high school.
Bandung:
Grafindo Media Pratama,
2012.
Text.
Gaya MLA
Firmansyah, Herlan.
Advanced learning economics 2 for grade XI senior high school.
Bandung:
Grafindo Media Pratama,
2012.
Text.
Gaya Turabian
Firmansyah, Herlan.
Advanced learning economics 2 for grade XI senior high school.
Bandung:
Grafindo Media Pratama,
2012.
Print.