Konowitz, B. (1980). The Bert Konowitz Vocal Improvisation Method: A complete course of study that develops vocal improvisation skills in both jazz and rock styles. Alfred.

Konowitz, Bert. The Bert Konowitz Vocal Improvisation Method: A Complete Course of Study That Develops Vocal Improvisation Skills in Both Jazz and Rock Styles. [S.l.]: Alfred, 1980.

Konowitz, Bert. The Bert Konowitz Vocal Improvisation Method: A Complete Course of Study That Develops Vocal Improvisation Skills in Both Jazz and Rock Styles. Alfred, 1980.