Jones, L., & Alexander, R. (2000). New international business English: Communication skills in English for business purposes : work book (Updated ed.). Cambridge University Press.

Jones, Leo, and Richard Alexander. New International Business English: Communication Skills in English for Business Purposes : Work Book. Updated ed. Cambridge ; New York: Cambridge University Press, 2000.

Jones, Leo, and Richard Alexander. New International Business English: Communication Skills in English for Business Purposes : Work Book. Updated ed. Cambridge University Press, 2000.