Cita APA (7th ed.)

Marks, R. B. (1985). Personal selling: An interactive approach (2nd ed.). Allyn and Bacon.

Cita Chicago (17th ed.)

Marks, Ronald B. Personal Selling: An Interactive Approach. 2nd ed. Boston: Allyn and Bacon, 1985.

Cita MLA (9th ed.)

Marks, Ronald B. Personal Selling: An Interactive Approach. 2nd ed. Allyn and Bacon, 1985.