Cita APA (7th ed.)

richards, J. C. (2001). Approaches and methods in language teaching (2nd ed.). U. pr..

Cita Chicago (17th ed.)

richards, Jack C. Approaches and Methods in Language Teaching. 2nd ed. Cambridge: U. pr., 2001.

Cita MLA (9th ed.)

richards, Jack C. Approaches and Methods in Language Teaching. 2nd ed. U. pr., 2001.