Richards, J. C. (2000). New interchange Intro: English for international communication : workbook. Cambridge: Cambridge University Press.
استشهاد بنمط شيكاغوRichards, Jack C. New Interchange Intro: English for International Communication : Workbook. Cambridge: Cambridge University Press, 2000.
MLA استشهادRichards, Jack C. New Interchange Intro: English for International Communication : Workbook. Cambridge: Cambridge University Press, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.