Schmitt, C. J. (1998). Invitation to languages: Foreign language exploratory program. New York: McGraw - Hill.
Trích dẫn kiểu ChicagoSchmitt, Conrad J. Invitation to Languages: Foreign Language Exploratory Program. New York: McGraw - Hill, 1998.
Deismireacht MLASchmitt, Conrad J. Invitation to Languages: Foreign Language Exploratory Program. New York: McGraw - Hill, 1998.
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