Penggayaan APA
COOPER, Donald R.. (1998).
Business Research Methods .
New York:
McGraw-Hill.
Chicago Style
COOPER, Donald R..
Business Research Methods.
New York:
McGraw-Hill,
1998.
Buku.
MLA Style
COOPER, Donald R..
Business Research Methods.
New York:
McGraw-Hill,
1998.
Buku.
Turabian Style
COOPER, Donald R..
Business Research Methods.
New York:
McGraw-Hill,
1998.
Buku.