Jones, L., & Alexander, R. (1991). International Business English: Workbook. Communication Skills in English for Business Purposes. New York: Cambridge University Press.
Dyfyniad Arddull ChicagoJones, Leo., và Richard Alexander. International Business English: Workbook. Communication Skills in English for Business Purposes. New York: Cambridge University Press, 1991.
Dyfyniad MLAJones, Leo., và Richard Alexander. International Business English: Workbook. Communication Skills in English for Business Purposes. New York: Cambridge University Press, 1991.
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