Nelson, S. M. (1980). Threes for violins: Trios in easy keys for violin groups to sing and play (Partitur.). Boosey & Hawkes.
Citace podle Chicago (17th ed.)Nelson, Sheila M. Threes for Violins: Trios in Easy Keys for Violin Groups to Sing and Play. Partitur. London: Boosey & Hawkes, 1980.
Citace podle MLA (8th ed.)Nelson, Sheila M. Threes for Violins: Trios in Easy Keys for Violin Groups to Sing and Play. Partitur. Boosey & Hawkes, 1980.
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