MLA

Slis, Iman Hans. The Voiced-voiceless Distinction and Assimilation of Voice In Dutch. Helmond: Wibro, 1985.

APA

Slis, I. Hans. (1985). The voiced-voiceless distinction and assimilation of voice in Dutch. Helmond: Wibro.

Chicago

Slis, Iman Hans The Voiced-Voiceless Distinction and Assimilation of Voice In Dutch. Helmond: Wibro, 1985.