APA aipamena

Jack C. Richards. (1994). Changes A (class cassette 1). Cambridge, UK: Cambridge Univ. Press.

Chicago Style aipamena

Jack C. Richards. Changes A (class Cassette 1). Cambridge, UK: Cambridge Univ. Press, 1994.

MLA aipamena

Jack C. Richards. Changes A (class Cassette 1). Cambridge, UK: Cambridge Univ. Press, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.