Walters, R. (2000). Soprano: [comp. and ed. by Richard Walters]. Hal Leonard.
Chicago-Zitierstil (17. Ausg.)Walters, Richard. Soprano: [comp. and Ed. by Richard Walters]. Milwaukee, Wis.: Hal Leonard, 2000.
MLA-Zitierstil (8. Ausg.)Walters, Richard. Soprano: [comp. and Ed. by Richard Walters]. Hal Leonard, 2000.
警告：这些引文格式不一定是100％准确.