Jones, L. (1989). New international business English: Communication skills in English for business purposes. U. Pr..
Chicago-viite (17. p.)Jones, Leo. New International Business English: Communication Skills in English for Business Purposes. Cambridge: U. Pr., 1989.
MLA-viite (9. p.)Jones, Leo. New International Business English: Communication Skills in English for Business Purposes. U. Pr., 1989.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.