Wastall, P. (1989). Scales and Arpeggios for Trombone and Euphonium: Ed. by Peter Wastall. Boosey & Hawkes.
Chicago-viite (17. p.)Wastall, Peter. Scales and Arpeggios for Trombone and Euphonium: Ed. by Peter Wastall. [London]: Boosey & Hawkes, 1989.
MLA-viite (8. p.)Wastall, Peter. Scales and Arpeggios for Trombone and Euphonium: Ed. by Peter Wastall. Boosey & Hawkes, 1989.
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