Gaya APA
Business Research Methods. (1995).
Chicago:
Irwin.
Gaya Chicago
Business Research Methods.
Ed.5.
Chicago:
Irwin,
1995.
.
Gaya MLA
Business Research Methods.
Ed.5.
Chicago:
Irwin,
1995.
.
Gaya Turabian
Business Research Methods.
Chicago:
Irwin,
1995.
.