Hollett, V., & Duckworth, M. (1993). Business Objectives: Student"s Book & Workbook. Oxford: Oxford University Press.
Chicago Stili AlıntıHollett, Vicki, ve Michael Duckworth. Business Objectives: Student"s Book & Workbook. Oxford: Oxford University Press, 1993.
MLA AlıntıHollett, Vicki, ve Michael Duckworth. Business Objectives: Student"s Book & Workbook. Oxford: Oxford University Press, 1993.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..