Nelson, S. M. (1974). Two in one for two violins: Violin duets in the first finger pattern (Partitur.). Boosey & Hawkes.
Chicago-referens (17:e uppl.)Nelson, Sheila M. Two in One for Two Violins: Violin Duets in the First Finger Pattern. Partitur. London: Boosey & Hawkes, 1974.
MLA-referens (8:e uppl.)Nelson, Sheila M. Two in One for Two Violins: Violin Duets in the First Finger Pattern. Partitur. Boosey & Hawkes, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.