Schumann, R., & Engel, K. (1990). L'oeuvre de piano: Tomo I [1]. Audivis-Valois.
Chicago Style (17th ed.) CitationSchumann, Robert, and Karl Engel. L'oeuvre De Piano: Tomo I [1]. [France]: Audivis-Valois, 1990.
MLA (9th ed.) CitationSchumann, Robert, and Karl Engel. L'oeuvre De Piano: Tomo I [1]. Audivis-Valois, 1990.
Warning: These citations may not always be 100% accurate.