Gaya APA
Zikmund, William G. (2000).
Business research methods (6e).
Fort Worth:
The Dryden Press.
Gaya Chicago
Zikmund, William G.
Business research methods.
6e
Fort Worth:
The Dryden Press,
2000.
Buku.
Gaya MLA
Zikmund, William G.
Business research methods.
6e
Fort Worth:
The Dryden Press,
2000.
Buku.
Gaya Turabian
Zikmund, William G.
Business research methods.
6e
Fort Worth:
The Dryden Press,
2000.
Buku.