APA Style
Cooper, Donald R. Cooper, Donald R.. (2006).
Business research methods.-- (Ed. 9.--).
America:
McGraw-Hill.
Chicago Style
Cooper, Donald R. Cooper, Donald R..
Business research methods.--.
Ed. 9.--
America:
McGraw-Hill,
2006.
Buku.
MLA Style
Cooper, Donald R. Cooper, Donald R..
Business research methods.--.
Ed. 9.--
America:
McGraw-Hill,
2006.
Buku.
Turabian Style
Cooper, Donald R. Cooper, Donald R..
Business research methods.--.
Ed. 9.--
America:
McGraw-Hill,
2006.
Buku.