Richek, M. A. (1989). The world of words: Vocabulary for college students (2nd ed.). Houghton.
芝加哥风格引文Richek, Margaret Ann. The World of Words: Vocabulary for College Students. 2nd ed. Boston: Houghton, 1989.
MLA引文Richek, Margaret Ann. The World of Words: Vocabulary for College Students. 2nd ed. Houghton, 1989.
警告：这些引文格式不一定是100％准确.