Unger, M. P. (2010). Historical dictionary of choral music. Scarecrow Press.
芝加哥风格引文Unger, Melvin P. Historical Dictionary of Choral Music. Lanham, Md.: Scarecrow Press, 2010.
MLA引文Unger, Melvin P. Historical Dictionary of Choral Music. Scarecrow Press, 2010.
警告：这些引文格式不一定是100％准确.