Cita APA (7a ed.)

Handschuh, J. . S. d. G. (1985). Improving oral communication. Prentice Hall Regents.

Cita Chicago Style (17a ed.)

Handschuh, Jeanne; Simounet de Geigel. Improving Oral Communication. New Jersey, Estados Unidos: Prentice Hall Regents, 1985.

Cita MLA (9a ed.)

Handschuh, Jeanne; Simounet de Geigel. Improving Oral Communication. Prentice Hall Regents, 1985.