Music Educators' National Conference, Robinson, H., & Harvis, R. L. (1967). Teaching piano in classroom and studio. s.n.
Citace podle Chicago (17th ed.)Music Educators' National Conference, Helene Robinson, a Richard L. Harvis. Teaching Piano in Classroom and Studio. Washington: s.n, 1967.
Citace podle MLA (9th ed.)Music Educators' National Conference, et al. Teaching Piano in Classroom and Studio. s.n, 1967.
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