Penggayaan APA
COOPER, Donald R.. (2000).
Business research methods (7th Ed. ).
Singapore:
McGraw Hill.
Chicago Style
COOPER, Donald R..
Business research methods.
7th Ed.
Singapore:
McGraw Hill,
2000.
Buku.
MLA Style
COOPER, Donald R..
Business research methods.
7th Ed.
Singapore:
McGraw Hill,
2000.
Buku.
Turabian Style
COOPER, Donald R..
Business research methods.
7th Ed.
Singapore:
McGraw Hill,
2000.
Buku.