Jones, L. (1992). International Business English: Communication Skills in English for Business Purposes; Student"s Book. Cambridge: Cambridge University.
استشهاد بنمط شيكاغوJones, Leo. International Business English: Communication Skills in English for Business Purposes; Student"s Book. Cambridge: Cambridge University, 1992.
MLA استشهادJones, Leo. International Business English: Communication Skills in English for Business Purposes; Student"s Book. Cambridge: Cambridge University, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.