Hollett, V., & Duckworth, M. (1992). Business Objectives: Student"s Book & Workbook. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoHollett, Vicki, và Michael Duckworth. Business Objectives: Student"s Book & Workbook. Oxford: Oxford University Press, 1992.
MLA CitationHollett, Vicki, và Michael Duckworth. Business Objectives: Student"s Book & Workbook. Oxford: Oxford University Press, 1992.
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