Penggayaan APA
COOPER, Donald R. (2011).
Business Research Methods .
New York 10020:
McGraw-Hill Companies.
Chicago Style
COOPER, Donald R.
Business Research Methods.
New York 10020:
McGraw-Hill Companies,
2011.
Text.
MLA Style
COOPER, Donald R.
Business Research Methods.
New York 10020:
McGraw-Hill Companies,
2011.
Text.
Turabian Style
COOPER, Donald R.
Business Research Methods.
New York 10020:
McGraw-Hill Companies,
2011.
Print.