Cita APA

Ryans, J. K., & Baker, J. C. (1967). World marketing: A multinational approach. New York: John Wiley & Sons.

Citación estilo Chicago

Ryans, John K., y James C. Baker. World Marketing: A Multinational Approach. New York: John Wiley & Sons, 1967.

Cita MLA

Ryans, John K., y James C. Baker. World Marketing: A Multinational Approach. New York: John Wiley & Sons, 1967.