Liebert, R. M. (1993). Personality: Strategies and issues (7th.ed.). Brooks / Cole.
芝加哥风格引文Liebert, Robert M. Personality: Strategies and Issues. 7th.ed. California: Brooks / Cole, 1993.
MLA引文Liebert, Robert M. Personality: Strategies and Issues. 7th.ed. Brooks / Cole, 1993.
警告：这些引文格式不一定是100％准确.