(2006). All-Star 4: Workbook. New York: McGraw-Hill ESL/ELT.
Trích dẫn kiểu ChicagoAll-Star 4: Workbook. New York: McGraw-Hill ESL/ELT, 2006.
MLA CitationAll-Star 4: Workbook. New York: McGraw-Hill ESL/ELT, 2006.
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