Gaya APA
Keegan, W, J., Green, M, C. (2005).
Global Marketing (Fourth Edition).
Upper Saddle River:
Pearson Prentice Hall.
Gaya MLA
Keegan, Warren, J.., Green, Mark, C..
"Global Marketing".
Fourth Edition
Upper Saddle River:
Pearson Prentice Hall,
2005.
.