Purcell, H., & Keil, K. (1991). A trio of catches: 3- part, SAB and piano. Thomas House Pub.
芝加哥风格引文Purcell, Henry, 与 Kevin Keil. A Trio of Catches: 3- Part, SAB and Piano. [S.l.]: Thomas House Pub, 1991.
MLA引文Purcell, Henry, 与 Kevin Keil. A Trio of Catches: 3- Part, SAB and Piano. Thomas House Pub, 1991.
警告：这些引文格式不一定是100％准确.