APA (7e ed.) Bronvermelding

Catford, J. C. (1988). A practical introduction to phonetics. Clarendon Press.

Chicago (17e ed.) Bronvermelding

Catford, John Cunnison. A Practical Introduction to Phonetics. Oxford: Clarendon Press, 1988.

MLA (9e ed.) Bronvermelding

Catford, John Cunnison. A Practical Introduction to Phonetics. Clarendon Press, 1988.