TY  - BOOK
AU  - Roach,Peter [Peter John].
TI  - English phonetics and phonology: a practical course 
U1  - 421.5 R628e 2009 
PY  - 2009///
CY  - Cambridge
PB  - Cambridge University Press, 
KW  - INGLES
KW  - FONETICA
KW  - FONOLOGIA
ER  -