Hartshorn, W. C. (1940). Making friends with music; advanced book William C. Hartshorn and Helen S. Leavitt. Ginn.
Cita Chicago Style (17a ed.)Hartshorn, William C. Making Friends with Music; Advanced Book William C. Hartshorn and Helen S. Leavitt. Boston: Ginn, 1940.
Cita MLA (9a ed.)Hartshorn, William C. Making Friends with Music; Advanced Book William C. Hartshorn and Helen S. Leavitt. Ginn, 1940.
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