Protopapas, J. E. (2013). Sikh śabad kīrtan: The musicology of sacred memory. Publication Bureau, Punjabi University.
芝加哥风格引文Protopapas, Janice Eyer. Sikh śabad Kīrtan: The Musicology of Sacred Memory. Patiala: Publication Bureau, Punjabi University, 2013.
MLA引文Protopapas, Janice Eyer. Sikh śabad Kīrtan: The Musicology of Sacred Memory. Publication Bureau, Punjabi University, 2013.
警告：这些引文格式不一定是100％准确.