Yeston, M., Kopit, A., & Okun, M. (1993). Nine (Rev. ed.). Cherry Lane Music : Exclusively distributed by H. Leonard.
芝加哥风格引文Yeston, Maury, Arthur Kopit, 与 Milton Okun. Nine. Rev. ed. Port Chester, NY: Cherry Lane Music : Exclusively distributed by H. Leonard, 1993.
MLA引文Yeston, Maury, et al. Nine. Rev. ed. Cherry Lane Music : Exclusively distributed by H. Leonard, 1993.
警告:这些引文格式不一定是100%准确.