APA
Keegan W. J., . (1998). Global marketing management. Upper Saddle River: Prentice-Hall.
Chicago
Keegan Warren J, . 1998. Global marketing management. Upper Saddle River: Prentice-Hall.
Harvard
Keegan W. J., . (1998). Global marketing management. Upper Saddle River: Prentice-Hall.
MLA
Keegan Warren J, . Global marketing management. Upper Saddle River: Prentice-Hall. 1998.