Baker A. Ann. (1996). Tree or Three?. An elementary Pronunciation Course. New York, Cambridge University Press, 1996.
Lua i Stíl Chicago (17ú heag.)Baker A. Ann. Tree or Three?. An Elementary Pronunciation Course. New York, Cambridge University Press, 1996, 1996.
Lua MLA (9ú heag.)Baker A. Ann. Tree or Three?. An Elementary Pronunciation Course. New York, Cambridge University Press, 1996, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.