Cita APA (7th ed.)

Gear, J., & Gear, R. (1996). Cambridge preparation for the TOEFL test (2a. ed.). University of Cambridge.

Cita Chicago (17th ed.)

Gear, Jolene, i Robert Gear. Cambridge Preparation for the TOEFL Test. 2a. ed. Cambridge: University of Cambridge, 1996.

Cita MLA (9th ed.)

Gear, Jolene, i Robert Gear. Cambridge Preparation for the TOEFL Test. 2a. ed. University of Cambridge, 1996.