Cita APA

Vasile, A. J., & Mintz. Harold K., c. (1980). Speak with confidence: A practical guide (2a. ed.). Cambridege, Mass.: Winthrop.

Citación estilo Chicago

Vasile, Albert J., y coautor Mintz. Harold K. Speak With Confidence: A Practical Guide. 2a. ed. Cambridege, Mass.: Winthrop, 1980.

Cita MLA

Vasile, Albert J., y coautor Mintz. Harold K. Speak With Confidence: A Practical Guide. 2a. ed. Cambridege, Mass.: Winthrop, 1980.