MLA

Verdonck-de Leeuw, Irma M. Voice Characteristics Following Radiotherapy : the Development of a Protocol. Amsterdam: IFOTT, 1998.

APA

Verdonck-de Leeuw, I. M. (1998). Voice characteristics following radiotherapy : the development of a protocol. Amsterdam: IFOTT.

Chicago

Verdonck-de Leeuw, Irma M. Voice Characteristics Following Radiotherapy: The Development of a Protocol. Amsterdam: IFOTT, 1998.