Hewitt, P. G. (1993). Conceptual physics (7th ed.). HarperCollinsCollegePub.
芝加哥风格引文Hewitt, Paul G. Conceptual Physics. 7th ed. New York: HarperCollinsCollegePub, 1993.
MLA引文Hewitt, Paul G. Conceptual Physics. 7th ed. HarperCollinsCollegePub, 1993.
警告：这些引文格式不一定是100％准确.