APA-referens (7:e uppl.)
Wigram, T. (2004). Improvisation: Methods and techniques for music therapy clinicians, educators and students. J. Kingsley Publishers.
Chicago-referens (17:e uppl.)
Wigram, Tony. Improvisation: Methods and Techniques for Music Therapy Clinicians, Educators and Students. London ; New York: J. Kingsley Publishers, 2004.
MLA-referens (9:e uppl.)
Wigram, Tony. Improvisation: Methods and Techniques for Music Therapy Clinicians, Educators and Students. J. Kingsley Publishers, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.