Jones L. Leo & Alexander R. Richard. (2005). New International Business English. Communication skills in English for business purposes: Students' Book (updated ed.). Cambridge, Cambridge University Press, 2005.
Lua i Stíl Chicago (17ú heag.)Jones L. Leo agus Alexander R. Richard. New International Business English. Communication Skills in English for Business Purposes: Students' Book. updated ed. Cambridge, Cambridge University Press, 2005, 2005.
Lua MLA (9ú heag.)Jones L. Leo agus Alexander R. Richard. New International Business English. Communication Skills in English for Business Purposes: Students' Book. updated ed. Cambridge, Cambridge University Press, 2005, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.