Roach, P. English phonetics and phonology: A practical course (4th ed.). Cambridge University Press.
Stile di citazione ChicagoRoach, Peter. English Phonetics and Phonology: A Practical Course. 4th ed. New York: Cambridge University Press.
Citazione MLARoach, Peter. English Phonetics and Phonology: A Practical Course. 4th ed. Cambridge University Press.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.