Leo, J., & Leo Jones; Richard Alexander. (2003). New International business English: Communication skills in English for business purposes : student's book. Cambridge,New York: Cambridge University Press.
Chicago Stili AlıntıLeo, Jones, ve Leo Jones; Richard Alexander. New International Business English: Communication Skills in English for Business Purposes : Student's Book. Cambridge,New York: Cambridge University Press, 2003.
MLA AlıntıLeo, Jones, ve Leo Jones; Richard Alexander. New International Business English: Communication Skills in English for Business Purposes : Student's Book. Cambridge,New York: Cambridge University Press, 2003.
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