Langley, R. (1992). Practice tests for TOEFL: Latest format. New York: MacMillan Press Ltd.
Čikaški stil citiranjaLangley, Rolly. Practice Tests for TOEFL: Latest Format. New York: MacMillan Press Ltd, 1992.
MLA način citiranjaLangley, Rolly. Practice Tests for TOEFL: Latest Format. New York: MacMillan Press Ltd, 1992.
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