Cita APA (7th ed.)

Etzel, M. J., Stanton, W. J., & Walker, B. J. (1997). Marketing (11th ed.). McGraw Hill.

Cita Chicago (17th ed.)

Etzel, Michael J., William J. Stanton, i Bruce J. Walker. Marketing. 11th ed. New York: McGraw Hill, 1997.

Cita MLA (9th ed.)

Etzel, Michael J., et al. Marketing. 11th ed. McGraw Hill, 1997.