Hutchinson, T. (1991). Hotline: Starter. Student's book. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Hutchinson, Tom. Hotline: Starter. Student's Book. Oxford: Oxford University Press, 1991.
Lua MLA (9ú heag.)Hutchinson, Tom. Hotline: Starter. Student's Book. Oxford University Press, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.