Gaya APA
Drs. Alam S., MM. (2010).
Economics 1A (for Senior High School Grade X Smt 1) .
JAKARTA:
Esis.
Gaya Chicago
Drs. Alam S., MM.
Economics 1A (for Senior High School Grade X Smt 1).
JAKARTA:
Esis,
2010.
Text.
Gaya MLA
Drs. Alam S., MM.
Economics 1A (for Senior High School Grade X Smt 1).
JAKARTA:
Esis,
2010.
Text.
Gaya Turabian
Drs. Alam S., MM.
Economics 1A (for Senior High School Grade X Smt 1).
JAKARTA:
Esis,
2010.
Print.