APA (7th ed.) Zitazioa

Richards, J. C. (1990). The language teaching matrix. Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

Richards, Jack C. The Language Teaching Matrix. Cambridge: Cambridge University Press, 1990.

MLA (9th ed.) Zitazioa

Richards, Jack C. The Language Teaching Matrix. Cambridge University Press, 1990.