Cita APA

Richards, J. C., & Jack C.Richards. (1990). The language teaching matrix. New York: Cambridge University Press.

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.