Gaya APA
Cooper, Donald R. (2003).
Business Research Methods (8e).
Boston:
Prentice Hall.
Gaya Chicago
Cooper, Donald R.
Business Research Methods.
8e
Boston:
Prentice Hall,
2003.
CD ROM.
Gaya MLA
Cooper, Donald R.
Business Research Methods.
8e
Boston:
Prentice Hall,
2003.
CD ROM.
Gaya Turabian
Cooper, Donald R.
Business Research Methods.
8e
Boston:
Prentice Hall,
2003.
CD ROM.