Lugton, Robert C.
American topics: a reading-vocabulary text for speakers of English as a second language / Robert C. Lugton
Prentice-Hall, 1978
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Thomson, A.J.
A practical English grammar
Oxford Oxford University Press, 1986
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Hill, Robert J.
A dictionary of false friends
Macmillan, 1982
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Steinberg, Roberta
Prentice-hall's practice test for the TOEFL : four complete sample test, including essay writing sections
Prentice-Hall, 1987
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Swan, Michael
The new cambridge english course 3
Cambridge University Press, 1992
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