Cita APA

Gear, J., & Gear, R. (2006). Cambridge preparation for the TOEFL test [CD-ROM]s] (4th ed.). Cambridge, United Kingdom: Cambridge University Press.

Citación estilo Chicago

Gear, Jolene, and Robert Gear. Cambridge Preparation for the TOEFL Test [CD-ROM]s]. 4th ed. Cambridge, United Kingdom: Cambridge University Press, 2006.

Cita MLA

Gear, Jolene, and Robert Gear. Cambridge Preparation for the TOEFL Test [CD-ROM]s]. 4th ed. Cambridge, United Kingdom: Cambridge University Press, 2006.