APA Style
Robertson, Christopher J.. (2007).
International business.-- .
America:
McGraw-Hill.
Chicago Style
Robertson, Christopher J..
International business.--.
America:
McGraw-Hill,
2007.
Buku.
MLA Style
Robertson, Christopher J..
International business.--.
America:
McGraw-Hill,
2007.
Buku.
Turabian Style
Robertson, Christopher J..
International business.--.
America:
McGraw-Hill,
2007.
Buku.