Sharp, C. J., & Williams, R. V. A selection of collected folksongs.
芝加哥风格引文Sharp, Cecil James, 与 Ralph Vaughan Williams. A Selection of Collected Folksongs.
MLA引文Sharp, Cecil James, 与 Ralph Vaughan Williams. A Selection of Collected Folksongs.
警告：这些引文格式不一定是100％准确.