Ruggiero, V. R. (1996). Becoming a critical thinker (2nd.ed.). Houghton Mifflin.
芝加哥风格引文Ruggiero, Vincent Ryan. Becoming a Critical Thinker. 2nd.ed. Rapid: Houghton Mifflin, 1996.
MLA引文Ruggiero, Vincent Ryan. Becoming a Critical Thinker. 2nd.ed. Houghton Mifflin, 1996.
警告：这些引文格式不一定是100％准确.