APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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