Cita APA (7a ed.)

Apps, J. (2012). Voice & speaking skills for dummies. Wiley.

Cita Chicago Style (17a ed.)

Apps, Judy. Voice & Speaking Skills for Dummies. Chichester: Wiley, 2012.

Cita MLA (8a ed.)

Apps, Judy. Voice & Speaking Skills for Dummies. Wiley, 2012.