Babin, E. (1987). TOEFL: Test of English as a foreign language. New York, NY: Prentice Hall.
Trích dẫn kiểu ChicagoBabin, Edith. TOEFL: Test of English As a Foreign Language. New York, NY: Prentice Hall, 1987.
Deismireacht MLABabin, Edith. TOEFL: Test of English As a Foreign Language. New York, NY: Prentice Hall, 1987.
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