Lua APA (7ú heag.)
Richards, J. C. (2002). Changes: English for international communication. Cambridge university press.
Lua i Stíl Chicago (17ú heag.)
Richards, Jack C. Changes: English for International Communication. Cambridge: Cambridge university press, 2002.
Lua MLA (9ú heag.)
Richards, Jack C. Changes: English for International Communication. Cambridge university press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.