Richards, J. C., & Farrell, T. S. C. (2005). Professional development for language teachers: Strategies for teacher learning. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRichards, Jack C., और Thomas S. C. Farrell. Professional Development for Language Teachers: Strategies for Teacher Learning. New York: Cambridge University Press, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRichards, Jack C., और Thomas S. C. Farrell. Professional Development for Language Teachers: Strategies for Teacher Learning. Cambridge University Press, 2005.
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