Cita APA (7a ed.)

Naterop, B. J., & Revell, R. (1997). Telephoning in english (2a ed.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Naterop, Bertha Jean, y Rod Revell. Telephoning in English. 2a ed. Cambridge, United Kingdom: Cambridge University Press, 1997.

Cita MLA (9a ed.)

Naterop, Bertha Jean, y Rod Revell. Telephoning in English. 2a ed. Cambridge University Press, 1997.