Gaya APA

Richards, J, C., Rodgers, T, S. (2014). Approaches and Methods in Language Teaching (Thrid Edition) (Ed.3). United Kingdom: Cambridge University Press.

Gaya MLA

Richards, Jack, C.., Rodgers, Theodore, S.. "Approaches and Methods in Language Teaching (Thrid Edition)". Ed.3 United Kingdom: Cambridge University Press, 2014. Text.