Perrin, R. (2005). Handbook for college research (3rd ed.). Houghton Mifflin Company.
芝加哥风格引文Perrin, Robert. Handbook for College Research. 3rd ed. Boston, New York: Houghton Mifflin Company, 2005.
MLA引文Perrin, Robert. Handbook for College Research. 3rd ed. Houghton Mifflin Company, 2005.
警告：这些引文格式不一定是100％准确.