Richards, J. C., & Rodgers, T. S. (2001). Approaches and methods in language teaching (Second edition.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Richards, Jack C., agus Theodore S. Rodgers. Approaches and Methods in Language Teaching. Second edition. New York: Cambridge University Press, 2001.
Lua MLA (8ú heag.)Richards, Jack C., agus Theodore S. Rodgers. Approaches and Methods in Language Teaching. Second edition. Cambridge University Press, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.