Cita APA (7a ed.)

Comfort, J. (1996). Effective Telephoning: Teacher`s book. Oxford University Press.

Cita Chicago Style (17a ed.)

Comfort, Jeremy. Effective Telephoning: Teacher`s Book. Oxford: Oxford University Press, 1996.

Cita MLA (9a ed.)

Comfort, Jeremy. Effective Telephoning: Teacher`s Book. Oxford University Press, 1996.