Cita APA (7th ed.)

Ivy, D. K., & Wahl, S. T. (2009). The nonverbal self: Communication for a lifetime. Pearson A and B.

Cita Chicago (17th ed.)

Ivy, Diana K., i Shawn T. Wahl. The Nonverbal Self: Communication for a Lifetime. Boston: Pearson A and B, 2009.

Cita MLA (9th ed.)

Ivy, Diana K., i Shawn T. Wahl. The Nonverbal Self: Communication for a Lifetime. Pearson A and B, 2009.