Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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