Cita APA (7th ed.)

Jones, L. (1989). New international business English: Communication skills in English for business purposes. U. Pr..

Cita Chicago (17th ed.)

Jones, Leo. New International Business English: Communication Skills in English for Business Purposes. Cambridge: U. Pr., 1989.

Cita MLA (9th ed.)

Jones, Leo. New International Business English: Communication Skills in English for Business Purposes. U. Pr., 1989.