Richards, J. C. (2000). New interchange Intro: English for international communication : workbook. Cambridge: Cambridge University Press.
Trích dẫn kiểu ChicagoRichards, Jack C. New Interchange Intro: English for International Communication : Workbook. Cambridge: Cambridge University Press, 2000.
MLA引文Richards, Jack C. New Interchange Intro: English for International Communication : Workbook. Cambridge: Cambridge University Press, 2000.
警告:這些引文格式不一定是100%准確.