Gaya APA
Cooper, Donald R.. (2003).
BUSINESS RESEARCH METHODS + CD (9).
:
.
Gaya Chicago
Cooper, Donald R..
BUSINESS RESEARCH METHODS + CD.
9
:
,
2003.
Text.
Gaya MLA
Cooper, Donald R..
BUSINESS RESEARCH METHODS + CD.
9
:
,
2003.
Text.
Gaya Turabian
Cooper, Donald R..
BUSINESS RESEARCH METHODS + CD.
9
:
,
2003.
Print.