Cita APA

Boyd, J. R., & Boyd Mary Ann. (1981). Connections: Communicative listening and speaking activities. New York: Regents Publishing Company.

Citación estilo Chicago

Boyd, John R., y Boyd Mary Ann. Connections: Communicative Listening and Speaking Activities. New York: Regents Publishing Company, 1981.

Cita MLA

Boyd, John R., y Boyd Mary Ann. Connections: Communicative Listening and Speaking Activities. New York: Regents Publishing Company, 1981.