Schumann, R. A. (1913). Familiar song classics. Ginn and Co. Pub.
芝加哥风格引文Schumann, Robert Alexander. Familiar Song Classics. Boston: Ginn and Co. Pub, 1913.
MLA引文Schumann, Robert Alexander. Familiar Song Classics. Ginn and Co. Pub, 1913.
警告：这些引文格式不一定是100％准确.