Richards, J. C., & Gordon, D. B. (1999). New interchange Intro: English for international communication : video teacher's guide (Revised for use with New Interchange.). Cambridge: Cambridge University Press.
Trích dẫn kiểu ChicagoRichards, Jack C., và Deborah B. Gordon. New Interchange Intro: English for International Communication : Video Teacher's Guide. Revised for use with New Interchange. Cambridge: Cambridge University Press, 1999.
MLA引文Richards, Jack C., và Deborah B. Gordon. New Interchange Intro: English for International Communication : Video Teacher's Guide. Revised for use with New Interchange. Cambridge: Cambridge University Press, 1999.
警告：这些引文格式不一定是100％准确.