APA
Roach P., . (2009). English phonetics and phonology. Cambridge: Cambridge University Press.
Chicago
Roach Peter, . 2009. English phonetics and phonology. Cambridge: Cambridge University Press.
Harvard
Roach P., . (2009). English phonetics and phonology. Cambridge: Cambridge University Press.
MLA
Roach Peter, . English phonetics and phonology. Cambridge: Cambridge University Press. 2009.