1. English phonetics and phonology: a practical course Roach, Peter (Peter John) Cambridge ; Cambridge University Press, 2009. ENG103 ENG450 ENG381 ENG160
2. Handbook of the International Phonetic Association: a guide to the use of the International Phonetic Alphabet International Phonetic Association. Cambridge : Cambridge University Press, 1999. ENG202 ENG103 ENG381 ENG160