APA استشهاد

Marks, R. B. (1985). Personal Selling: An Interactive Approach. Allyn and Bacon.

استشهاد بنمط شيكاغو

Marks, Ronald B. Personal Selling: An Interactive Approach. Boston: Allyn and Bacon, 1985.

MLA استشهاد

Marks, Ronald B. Personal Selling: An Interactive Approach. Allyn and Bacon, 1985.