Hollett, V., & Duckworth, M. (1996). Business objectives: Workbook (New ed.). New York: Oxford University Press.
Trích dẫn kiểu ChicagoHollett, Vicki., và Michael Duckworth. Business Objectives: Workbook. New ed. New York: Oxford University Press, 1996.
Deismireacht MLAHollett, Vicki., và Michael Duckworth. Business Objectives: Workbook. New ed. New York: Oxford University Press, 1996.
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