Cita APA (7a ed.)

Enos, R. L. (1990). Oral and written communication. Sage.

Cita Chicago Style (17a ed.)

Enos, Richard Leo. Oral and Written Communication. Newbury Park [etc.]: Sage, 1990.

Cita MLA (9a ed.)

Enos, Richard Leo. Oral and Written Communication. Sage, 1990.