Gaya APA
Ball, Don A.. (2010).
International Business (Twelfth Edition).
New York:
McGraw-Hill/Irwin.
Gaya Chicago
Ball, Don A..
International Business.
Twelfth Edition
New York:
McGraw-Hill/Irwin,
2010.
.
Gaya MLA
Ball, Don A..
International Business.
Twelfth Edition
New York:
McGraw-Hill/Irwin,
2010.
.
Gaya Turabian
Ball, Don A..
International Business.
Twelfth Edition
New York:
McGraw-Hill/Irwin,
2010.
.