APA citiranje

Grutzmacher, F. W. L., & Klengel, J. Etude opus 38 (Technology of cello playing) for cello solo. International Music Co.

Chicago Style (17th ed.) Citation

Grutzmacher, Friedrich Wilhelm Ludwig, and Julius Klengel. Etude Opus 38 (Technology of Cello Playing) for Cello Solo. New York: International Music Co.

MLA citiranje

Grutzmacher, Friedrich Wilhelm Ludwig, and Julius Klengel. Etude Opus 38 (Technology of Cello Playing) for Cello Solo. International Music Co.