APA-referens (7:e uppl.)

Hersey, P. (1988). Selling: A behavioral science approach. Prentice-Hall.

Chicago-referens (17:e uppl.)

Hersey, Paul. Selling: A Behavioral Science Approach. Englewood Cliffs, N.J: Prentice-Hall, 1988.

MLA-referens (9:e uppl.)

Hersey, Paul. Selling: A Behavioral Science Approach. Prentice-Hall, 1988.