Gaya APA
Ball, D, A. et al (2010).
Intenational Business : The Challenge Of Global Competition (Twelfth Edition).
Boston:
McGraw-Hill.
Gaya MLA
Ball, Donald, A.. et al.
"Intenational Business : The Challenge Of Global Competition".
Twelfth Edition
Boston:
McGraw-Hill,
2010.
Textbook.