Schumann, R. A. (1994). Selected works for piano. G. Schirmer.
芝加哥风格引文Schumann, Robert Alexander. Selected Works for Piano. New York: G. Schirmer, 1994.
MLA引文Schumann, Robert Alexander. Selected Works for Piano. G. Schirmer, 1994.
警告：这些引文格式不一定是100％准确.