Sharpe, P. J. (1977). Barron's how to prepare for the TOEFL: Test of English as a foreign language. New York: Barron.
Trích dẫn kiểu ChicagoSharpe, Pamela J. Barron's How to Prepare for the TOEFL: Test of English As a Foreign Language. New York: Barron, 1977.
MLA CitationSharpe, Pamela J. Barron's How to Prepare for the TOEFL: Test of English As a Foreign Language. New York: Barron, 1977.
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