Wastall, P. (1989). Scales and Arpeggios for Trombone and Euphonium: Ed. by Peter Wastall. Boosey & Hawkes.
Chicago-referens (17:e uppl.)Wastall, Peter. Scales and Arpeggios for Trombone and Euphonium: Ed. by Peter Wastall. [London]: Boosey & Hawkes, 1989.
MLA-referens (8:e uppl.)Wastall, Peter. Scales and Arpeggios for Trombone and Euphonium: Ed. by Peter Wastall. Boosey & Hawkes, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.