Gaya APA
Cooper, Donald R.. (2001).
BUSINESS RESEARCH METHODS + CD (7).
:
.
Gaya Chicago
Cooper, Donald R..
BUSINESS RESEARCH METHODS + CD.
7
:
,
2001.
Text.
Gaya MLA
Cooper, Donald R..
BUSINESS RESEARCH METHODS + CD.
7
:
,
2001.
Text.
Gaya Turabian
Cooper, Donald R..
BUSINESS RESEARCH METHODS + CD.
7
:
,
2001.
Print.