Gaya APA

Richards, J, C., Hull, J, &, P, S. (2001). New interchange. English for international communication. Student book 2B (2001). : UK : Cambridge University Press,.

Gaya MLA

Richards, Jack, C., Hull, Jonathan, &, Proctor,, S. "New interchange. English for international communication. Student book 2B". 2001 : UK : Cambridge University Press,, 2001. Text.