APA-viite (7. p.)

Gear, J., & Gear, R. (2006). Cambridge preparation for the toefl test (Fourth edition.). Cambridge University Press.

Chicago-viite (17. p.)

Gear, Jolene, ja Robert Gear. Cambridge Preparation for the Toefl Test. Fourth edition. Cambridge: Cambridge University Press, 2006.

MLA-viite (9. p.)

Gear, Jolene, ja Robert Gear. Cambridge Preparation for the Toefl Test. Fourth edition. Cambridge University Press, 2006.