Kohler, L. Short school of velocity without octaves for the piano, op. 242.
芝加哥风格引文Kohler, Louis. Short School of Velocity Without Octaves for the Piano, Op. 242.
MLA引文Kohler, Louis. Short School of Velocity Without Octaves for the Piano, Op. 242.
警告：这些引文格式不一定是100％准确.