Lua APA (7ú heag.)
O'Dell, F. (2001). English vocabulary in use: Upper-intermediate. Cambridge University.
Lua i Stíl Chicago (17ú heag.)
O'Dell, Felicity. English Vocabulary in Use: Upper-intermediate. Delhi: Cambridge University, 2001.
Lua MLA (9ú heag.)
O'Dell, Felicity. English Vocabulary in Use: Upper-intermediate. Cambridge University, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.