Keegan, W. J. (2002). Global marketing management (7th ed.). Prentice Hall.
Chicago Style aipamenaKeegan, Warren J. Global Marketing Management. 7th ed. Upper Saddle River, N.J. ; New Delhi: Prentice Hall, 2002.
MLA aipamenaKeegan, Warren J. Global Marketing Management. 7th ed. Prentice Hall, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.