Cita APA

Butterfield, J. (2010). Verbal communication. Course Technology, Cengage Learning.

Citación estilo Chicago

Butterfield, Jeff. Verbal Communication. Australia: Course Technology, Cengage Learning, 2010.

Cita MLA

Butterfield, Jeff. Verbal Communication. Course Technology, Cengage Learning, 2010.

Warning: These citations may not always be 100% accurate.