Music Educators National Conference. String Instruction Committee. (1957). The string instruction program in music education. s.n.
Citace podle Chicago (17th ed.)Music Educators National Conference. String Instruction Committee. The String Instruction Program in Music Education. Washington, D.C: s.n, 1957.
Citace podle MLA (9th ed.)Music Educators National Conference. String Instruction Committee. The String Instruction Program in Music Education. s.n, 1957.
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