Gaya APA
Firmansyah, Herlan. (2013).
Ekonomics 1 For Grade X Senior High School Social Sciences Programme .
Bandung:
Facil.
Gaya Chicago
Firmansyah, Herlan.
Ekonomics 1 For Grade X Senior High School Social Sciences Programme.
Bandung:
Facil,
2013.
Non-fiction.
Gaya MLA
Firmansyah, Herlan.
Ekonomics 1 For Grade X Senior High School Social Sciences Programme.
Bandung:
Facil,
2013.
Non-fiction.
Gaya Turabian
Firmansyah, Herlan.
Ekonomics 1 For Grade X Senior High School Social Sciences Programme.
Bandung:
Facil,
2013.
Non-fiction.