Schecter, S. (1984). Listening task: For intermediate students of american english. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Schecter, Sandra. Listening Task: For Intermediate Students of American English. New York: Cambridge University Press, 1984.
Lua MLA (9ú heag.)Schecter, Sandra. Listening Task: For Intermediate Students of American English. Cambridge University Press, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.