Rolland, P. (1974). Action studies: Developmental and remedial techniques. Violin and Viola. Boosey & Hawkes.
Citace podle Chicago (17th ed.)Rolland, Paul. Action Studies: Developmental and Remedial Techniques. Violin and Viola. Urbana, Ill.: Boosey & Hawkes, 1974.
Citace podle MLA (8th ed.)Rolland, Paul. Action Studies: Developmental and Remedial Techniques. Violin and Viola. Boosey & Hawkes, 1974.
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