Hansard, G., & IrglovaÌ, M. (2012). Sheet music selections fron Once. Alfred.
芝加哥风格引文Hansard, Glen, 与 MarkeÌta IrglovaÌ. Sheet Music Selections Fron Once. Van Nuys, CA: Alfred, 2012.
MLA引文Hansard, Glen, 与 MarkeÌta IrglovaÌ. Sheet Music Selections Fron Once. Alfred, 2012.
警告：这些引文格式不一定是100％准确.