Watrous, B., & Raph, A. Trombonisms: An extension of standard trombone techniques and an introduction to some new ones. Carl Fischer.
Citazione stile Chigago Style (17a edizione)Watrous, Bill, e Alan Raph. Trombonisms: An Extension of Standard Trombone Techniques and an Introduction to Some New Ones. New York: Carl Fischer.
Citatione MLA (9a ed.)Watrous, Bill, e Alan Raph. Trombonisms: An Extension of Standard Trombone Techniques and an Introduction to Some New Ones. Carl Fischer.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.