APA

Richards J. C., . (2001). Approaches and methods in language teaching. New York: Cambridge University Press.

Chicago

Richards Jack C, . 2001. Approaches and methods in language teaching. New York: Cambridge University Press.

Harvard

Richards J. C., . (2001). Approaches and methods in language teaching. New York: Cambridge University Press.

MLA

Richards Jack C, . Approaches and methods in language teaching. New York: Cambridge University Press. 2001.