Gaya APA
Cooper, Donald R. (2003).
Business research methods (8e).
Boston:
McGraw Hill.
Gaya Chicago
Cooper, Donald R.
Business research methods.
8e
Boston:
McGraw Hill,
2003.
CD ROM.
Gaya MLA
Cooper, Donald R.
Business research methods.
8e
Boston:
McGraw Hill,
2003.
CD ROM.
Gaya Turabian
Cooper, Donald R.
Business research methods.
8e
Boston:
McGraw Hill,
2003.
CD ROM.