Gaya APA
Internasional Business. (1989).
:
The Dryden Press.
Gaya Chicago
Internasional Business.
.
:
The Dryden Press,
1989.
.
Gaya MLA
Internasional Business.
.
:
The Dryden Press,
1989.
.
Gaya Turabian
Internasional Business.
:
The Dryden Press,
1989.
.