Sondheim, S. (1988). Giants in the Sky. Hal Leonard Music Publishing.
芝加哥风格引文Sondheim, Stephen. Giants in the Sky. Wisconsin, United States: Hal Leonard Music Publishing, 1988.
MLA引文Sondheim, Stephen. Giants in the Sky. Hal Leonard Music Publishing, 1988.
警告：这些引文格式不一定是100％准确.