Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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