Cita APA (7a ed.)

Stern, G. J. (1997). Pocket guide for marketing representatives. Amherst H. Wilder Foundation.

Cita Chicago Style (17a ed.)

Stern, Gary J. Pocket Guide for Marketing Representatives. Sain Paul (EEUU): Amherst H. Wilder Foundation, 1997.

Cita MLA (9a ed.)

Stern, Gary J. Pocket Guide for Marketing Representatives. Amherst H. Wilder Foundation, 1997.