Dyfyniad APA
Westermann, D. (1990). Practical phonetics for students of African languages. KIP.
Dyfyniad Arddull Chicago
Westermann, D. Practical Phonetics for Students of African Languages. London: KIP, 1990.
Dyfyniad MLA
Westermann, D. Practical Phonetics for Students of African Languages. KIP, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.