Cita APA (7a ed.)

Smith, D. G. (2007). English for telephoning [CD-ROM]. Oxford University Press.

Cita Chicago Style (17a ed.)

Smith, David Gordon. English for Telephoning [CD-ROM]. Oxford: Oxford University Press, 2007.

Cita MLA (9a ed.)

Smith, David Gordon. English for Telephoning [CD-ROM]. Oxford University Press, 2007.