Cita APA (7a ed.)

Garside, B., & Garside, T. (2002). Essential telephoning in english [CD-ROM]: Student's book : audio CD. Cambridge University Press.

Cita Chicago Style (17a ed.)

Garside, Barbara, y Tony Garside. Essential Telephoning in English [CD-ROM]: Student's Book : Audio CD. New York: Cambridge University Press, 2002.

Cita MLA (9a ed.)

Garside, Barbara, y Tony Garside. Essential Telephoning in English [CD-ROM]: Student's Book : Audio CD. Cambridge University Press, 2002.