APA

Annala L., Andersson H. C. & Roehring A. (1979). Three professionals with Usher's syndrome speaks out. Sands Point: [Helen Keller National Center for Deaf-Blind Youths and Adults].

Chicago

Annala Linda, Andersson Harry C and Roehring Arthur. 1979. Three professionals with Usher's syndrome speaks out. Sands Point: [Helen Keller National Center for Deaf-Blind Youths and Adults].

Harvard

Annala L., Andersson H. C. and Roehring A. (1979). Three professionals with Usher's syndrome speaks out. Sands Point: [Helen Keller National Center for Deaf-Blind Youths and Adults].

MLA

Annala Linda, Andersson Harry C and Roehring Arthur. Three professionals with Usher's syndrome speaks out. Sands Point: [Helen Keller National Center for Deaf-Blind Youths and Adults]. 1979.