APA ציטוט

Richards, J. C. (1998). Changes: English for international communication : INTRO student cassette. Cambridge: Cambridge University Press.

Trích dẫn kiểu Chicago

Richards, Jack C. Changes: English for International Communication : INTRO Student Cassette. Cambridge: Cambridge University Press, 1998.

ציטוט MLA

Richards, Jack C. Changes: English for International Communication : INTRO Student Cassette. Cambridge: Cambridge University Press, 1998.