Levin, J., & Fox, J. A. (1994). Elementary statistics in social research (6th ed.). HarperCollins College.
芝加哥风格引文Levin, Jack, 与 James Alan Fox. Elementary Statistics in Social Research. 6th ed. New York: HarperCollins College, 1994.
MLA引文Levin, Jack, 与 James Alan Fox. Elementary Statistics in Social Research. 6th ed. HarperCollins College, 1994.
警告：这些引文格式不一定是100％准确.