Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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