Gaya APA

Richards, J, C. (2010). Interchange Third Edition, Level 2 : Class Audio CD 3 Units 11-12 PC/QZ, Units 13-16 . New York: Cambridge University.

Gaya MLA

Richards, Jack, C.. "Interchange Third Edition, Level 2 : Class Audio CD 3 Units 11-12 PC/QZ, Units 13-16". New York: Cambridge University, 2010. Multimedia.