Corey, G., & Corey, M. S. (1990). I never knew I had a choice (4th.ed.). Brooks/Cole.
芝加哥风格引文Corey, Gerald, 与 Marianne Schneider Corey. I Never Knew I Had a Choice. 4th.ed. Pacific Grove: Brooks/Cole, 1990.
MLA引文Corey, Gerald, 与 Marianne Schneider Corey. I Never Knew I Had a Choice. 4th.ed. Brooks/Cole, 1990.
警告：这些引文格式不一定是100％准确.