APA Style
International Business. (2004).
New York:
MC GRAW HILL.
Chicago Style
International Business.
Edisi 9.
New York:
MC GRAW HILL,
2004.
.
MLA Style
International Business.
Edisi 9.
New York:
MC GRAW HILL,
2004.
.
Turabian Style
International Business.
New York:
MC GRAW HILL,
2004.
.