APA (7e ed.) Bronvermelding
Westermann, D. (1990). Practical phonetics for students of African languages. KIP.
Chicago (17e ed.) Bronvermelding
Westermann, D. Practical Phonetics for Students of African Languages. London: KIP, 1990.
MLA (9e ed.) Bronvermelding
Westermann, D. Practical Phonetics for Students of African Languages. KIP, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.