Keegan, W. J. (1997). Global marketing management. Prentice-Hall.
Chicago Style (17th ed.) ZitazioaKeegan, Warren J. Global Marketing Management. New Delhi: Prentice-Hall, 1997.
MLA (9th ed.) ZitazioaKeegan, Warren J. Global Marketing Management. Prentice-Hall, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.