Gaya APA
Zikmund, William G.. (1991).
Business research methods Williams G. Zinkmund (3rd ed).
Orlando:
The Dryden Press.
Gaya Chicago
Zikmund, William G..
Business research methods Williams G. Zinkmund.
3rd ed
Orlando:
The Dryden Press,
1991.
Text.
Gaya MLA
Zikmund, William G..
Business research methods Williams G. Zinkmund.
3rd ed
Orlando:
The Dryden Press,
1991.
Text.
Gaya Turabian
Zikmund, William G..
Business research methods Williams G. Zinkmund.
3rd ed
Orlando:
The Dryden Press,
1991.
Print.