Wolff, B. (1907). The little pischna: Forty-eight exercises for piano. Carl Fischer.
Cita Chicago Style (17a ed.)Wolff, B. The Little Pischna: Forty-eight Exercises for Piano. New York: Carl Fischer, 1907.
Cita MLA (9a ed.)Wolff, B. The Little Pischna: Forty-eight Exercises for Piano. Carl Fischer, 1907.
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