Nelson, S. M. (1980). Threes for violins: Trios in easy keys for violin groups to sing and play (Partitur.). Boosey & Hawkes.
Chicago-referens (17:e uppl.)Nelson, Sheila M. Threes for Violins: Trios in Easy Keys for Violin Groups to Sing and Play. Partitur. London: Boosey & Hawkes, 1980.
MLA-referens (8:e uppl.)Nelson, Sheila M. Threes for Violins: Trios in Easy Keys for Violin Groups to Sing and Play. Partitur. Boosey & Hawkes, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.