Ventriglia, L. (1992). Ready for English: Primary learning system. Lincolnwood, Illinois: National Textbook company.
Trích dẫn kiểu ChicagoVentriglia, Linda. Ready for English: Primary Learning System. Lincolnwood, Illinois: National Textbook company, 1992.
MLA CitationVentriglia, Linda. Ready for English: Primary Learning System. Lincolnwood, Illinois: National Textbook company, 1992.
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