Cita APA (7th ed.)

Keegan, W. J. (1997). Principles of global marketing. Prentice-Hall.

Cita Chicago (17th ed.)

Keegan, Warren J. Principles of Global Marketing. Upper Saddle River, New Jersey: Prentice-Hall, 1997.

Cita MLA (9th ed.)

Keegan, Warren J. Principles of Global Marketing. Prentice-Hall, 1997.