Henderson, L. B. (1991). How to train singers: With illustrated "natural" techniques and taped exercises (2. ed.). Parker.
Chicago-Zitierstil (17. Ausg.)Henderson, Larra B. How to Train Singers: With Illustrated "Natural" Techniques and Taped Exercises. 2. ed. West Nyack, NY: Parker, 1991.
MLA-Zitierstil (9. Ausg.)Henderson, Larra B. How to Train Singers: With Illustrated "Natural" Techniques and Taped Exercises. 2. ed. Parker, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.