Köhler, E. 1., & Köhler, E. 1. (1980). 30 virtuoso etudes in all major and minor keys: For the flute, op. 75. New York, New York: Belwin Mills.
Chicago Style CitationKöhler, Ernesto 1849-1907, and Ernesto 1849-1907 Köhler. 30 Virtuoso Etudes in All Major and Minor Keys: For the Flute, Op. 75. New York, New York: Belwin Mills, 1980.
MLA CitationKöhler, Ernesto 1849-1907, and Ernesto 1849-1907 Köhler. 30 Virtuoso Etudes in All Major and Minor Keys: For the Flute, Op. 75. New York, New York: Belwin Mills, 1980.
Warning: These citations may not always be 100% accurate.