Cita APA

Gear, J., & Gear, R. (2006). Cambride perparation for the TOEFL test (4th ed.). Cambridge University press.

Chicago Edition Citation

Gear, Jolene, i Robert Gear. Cambride Perparation for the TOEFL Test. 4th ed. Cambride: Cambridge University press, 2006.

Cita MLA

Gear, Jolene, i Robert Gear. Cambride Perparation for the TOEFL Test. 4th ed. Cambridge University press, 2006.