Penggayaan APA
COOPER, Donal R. (1989).
Business Research Methods .
New York:
McGraw-Hill.
Chicago Style
COOPER, Donal R.
Business Research Methods.
New York:
McGraw-Hill,
1989.
Buku.
MLA Style
COOPER, Donal R.
Business Research Methods.
New York:
McGraw-Hill,
1989.
Buku.
Turabian Style
COOPER, Donal R.
Business Research Methods.
New York:
McGraw-Hill,
1989.
Buku.