Lua APA (7ú heag.)

Gear, J., & Gear, R. (2002). Cambridge preparation for the TOEFL test (3rd ed.). Cambridge University Press.

Lua i Stíl Chicago (17ú heag.)

Gear, Jolene, agus Robert Gear. Cambridge Preparation for the TOEFL Test. 3rd ed. Cambridge, UK ; New York. N.Y., USA: Cambridge University Press, 2002.

Lua MLA (8ú heag.)

Gear, Jolene, agus Robert Gear. Cambridge Preparation for the TOEFL Test. 3rd ed. Cambridge University Press, 2002.

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