Cita APA

Vengel, A. A. 1., & Vengel, A. A. 1. (2000). The influence edge: How to persuade others to help you achieve your goals (1. edition.). San Francisco, Calif.: Berrett-Koehler.

Citación estilo Chicago

Vengel, Alan A. 1947-, y Alan A. 1947- Vengel. The Influence Edge: How to Persuade Others to Help You Achieve Your Goals. 1. edition. San Francisco, Calif.: Berrett-Koehler, 2000.

Cita MLA

Vengel, Alan A. 1947-, y Alan A. 1947- Vengel. The Influence Edge: How to Persuade Others to Help You Achieve Your Goals. 1. edition. San Francisco, Calif.: Berrett-Koehler, 2000.