Deborah Gordon. (2002). Instructor's manual interaction; T1: Grammar. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoDeborah Gordon. Instructor's Manual Interaction; T1: Grammar. New York: McGraw-Hill, 2002.
MLA citiranjeDeborah Gordon. Instructor's Manual Interaction; T1: Grammar. New York: McGraw-Hill, 2002.
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