Jones L. Leo & Alexander R. Richard. (2005). New International Business English; Communication skills in English for business purposes: Teacher's Book (Updated Edition.). Cambridge, Cambridge University Press, 2005.
Chicago-viite (17. p.)Jones L. Leo ja Alexander R. Richard. New International Business English; Communication Skills in English for Business Purposes: Teacher's Book. Updated Edition. Cambridge, Cambridge University Press, 2005, 2005.
MLA-viite (9. p.)Jones L. Leo ja Alexander R. Richard. New International Business English; Communication Skills in English for Business Purposes: Teacher's Book. Updated Edition. Cambridge, Cambridge University Press, 2005, 2005.
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