Cita APA

Goldstein, A. (1992). Secrets of overcoming sales resistance (7.).

Chicago Edition Citation

Goldstein, Albert. Secrets of Overcoming Sales Resistance. 7. :, 1992.

Cita MLA

Goldstein, Albert. Secrets of Overcoming Sales Resistance. 7. 1992.

Atenció: Aquestes cites poden no estar 100% correctes.