Thompson, J. (1936). John Thompson's Modern Course for the Piano: The Fifth Grade Book. The Willis Music Co..
Chicago-viite (17. p.)Thompson, John. John Thompson's Modern Course for the Piano: The Fifth Grade Book. Cincinnati, OH: The Willis Music Co., 1936.
MLA-viite (9. p.)Thompson, John. John Thompson's Modern Course for the Piano: The Fifth Grade Book. The Willis Music Co., 1936.
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