Catford, J. C. (1988). A practical introduction to phonetics. Clarendon Press.
Lua i Stíl Chicago (17ú heag.)Catford, John Cunnison. A Practical Introduction to Phonetics. Oxford: Clarendon Press, 1988.
Lua MLA (9ú heag.)Catford, John Cunnison. A Practical Introduction to Phonetics. Clarendon Press, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.