Keegan, W. J. (2011). Global marketing management (7 edition.).
Chicago Style aipamenaKeegan, Warren J. Global Marketing Management. 7 edition. Prentice-Hall of India Pvt. Ltd., New Delhi, 2011.
MLA aipamenaKeegan, Warren J. Global Marketing Management. 7 edition. 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.