Gaya APA

Collins, B., Mees, I, M. (2008). Practical phonetics and phonology: a resource book for students (2nd ed.). London: Routledge.

Gaya MLA

Collins, Beverley.., Mees, Inger, M.. "Practical phonetics and phonology: a resource book for students". 2nd ed. London: Routledge, 2008. print.