APA استشهاد

Stanton, W. J., & Etzel, M. J. W. (1991). Fundamentals of marketing (9th ed.). McGraw Hill.

استشهاد بنمط شيكاغو

Stanton, William J., و Michael J. Walker Etzel. Fundamentals of Marketing. 9th ed. New York: McGraw Hill, 1991.

MLA استشهاد

Stanton, William J., و Michael J. Walker Etzel. Fundamentals of Marketing. 9th ed. McGraw Hill, 1991.