Gaya APA

Richards, J, C. (2010). Interchange Third Edition, Level 2 : Class Audio CD 1 Units 1-6 (3). New York: Cambridge University.

Gaya MLA

Richards, Jack, C.. "Interchange Third Edition, Level 2 : Class Audio CD 1 Units 1-6". 3 New York: Cambridge University, 2010. Multimedia.