Carroll, B. J. (1980). Testing communicative performance: An interim study. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Carroll, Brendan J. Testing Communicative Performance: An Interim Study. Oxford: Pergamon Press, 1980.
Lua MLA (9ú heag.)Carroll, Brendan J. Testing Communicative Performance: An Interim Study. Pergamon Press, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.