Penggayaan APA
COOPER, Donald R. (2011).
Business Research Method .
Amerika Serikat:
McGraw-Hill.
Chicago Style
COOPER, Donald R.
Business Research Method.
Amerika Serikat:
McGraw-Hill,
2011.
Text.
MLA Style
COOPER, Donald R.
Business Research Method.
Amerika Serikat:
McGraw-Hill,
2011.
Text.
Turabian Style
COOPER, Donald R.
Business Research Method.
Amerika Serikat:
McGraw-Hill,
2011.
Print.