Gear, J., & Gear, R. (2006). Cambridge preparation for the toefl test (Fourth edition.). Cambridge University Press.
Chicago-čujuhus (17. p.)Gear, Jolene, juo Robert Gear. Cambridge Preparation for the Toefl Test. Fourth edition. Cambridge: Cambridge University Press, 2006.
MLA-čujuhus (9. p.)Gear, Jolene, juo Robert Gear. Cambridge Preparation for the Toefl Test. Fourth edition. Cambridge University Press, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.