Redman, S. (1997). English vocabulary in use: Pre-intermediate and intermediate (Cambridge low price editions.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Redman, Stuart. English Vocabulary in Use: Pre-intermediate and Intermediate. Cambridge low price editions. Cambridge, U.K. ; New York: Cambridge University Press, 1997.
Lua MLA (8ú heag.)Redman, Stuart. English Vocabulary in Use: Pre-intermediate and Intermediate. Cambridge low price editions. Cambridge University Press, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.