APA aipamena

Jones, L., & Alexander, R. (1991). International Business English: Workbook. Communication Skills in English for Business Purposes. New York: Cambridge University Press.

Chicago Style aipamena

Jones, Leo, và Richard Alexander. International Business English: Workbook. Communication Skills in English for Business Purposes. New York: Cambridge University Press, 1991.

MLA aipamena

Jones, Leo, và Richard Alexander. International Business English: Workbook. Communication Skills in English for Business Purposes. New York: Cambridge University Press, 1991.