Penggayaan APA
ARNOLD, Roger A. (2010).
Economics .
:
South-Western.
Chicago Style
ARNOLD, Roger A.
Economics.
:
South-Western,
2010.
Text.
MLA Style
ARNOLD, Roger A.
Economics.
:
South-Western,
2010.
Text.
Turabian Style
ARNOLD, Roger A.
Economics.
:
South-Western,
2010.
Print.