Zemach, D. E., & Wisniewska, I. (2014). Open mind: Student's book and workbook pack starter level (Second edition.). Macmillan Education.
Chicagoスタイル(17版)引用形式Zemach, Dorothy E., , Ingrid Wisniewska. Open Mind: Student's Book and Workbook Pack Starter Level. Second edition. London: Macmillan Education, 2014.
MLA(9版)引用形式Zemach, Dorothy E., , Ingrid Wisniewska. Open Mind: Student's Book and Workbook Pack Starter Level. Second edition. Macmillan Education, 2014.
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