APA
Catford J. C., . (2001). A practical introduction to phonetics. Oxford: Oxford University Press.
Chicago
Catford J C, . 2001. A practical introduction to phonetics. Oxford: Oxford University Press.
Harvard
Catford J. C., . (2001). A practical introduction to phonetics. Oxford: Oxford University Press.
MLA
Catford J C, . A practical introduction to phonetics. Oxford: Oxford University Press. 2001.