Cita APA

Berkowitz, E. N., Kerin, R. A. H., & Ruderlius, W. (1997). Marketing (5th ed.). Mc Graw Hill.

Chicago Edition Citation

Berkowitz, Eric N., Roger A Hartely Kerin, i William Ruderlius. Marketing. 5th ed. New York: Mc Graw Hill, 1997.

Cita MLA

Berkowitz, Eric N., et al. Marketing. 5th ed. Mc Graw Hill, 1997.