Gravetter, F. J., & Gravetter, F. J. a. (1996). Statistics for the behavioral sciences: SPSS manual (4th ed.). West.
芝加哥风格引文Gravetter, Fredrick J., 与 Fredrick J.[et al] Gravetter. Statistics for the Behavioral Sciences: SPSS Manual. 4th ed. New York: West, 1996.
MLA引文Gravetter, Fredrick J., 与 Fredrick J.[et al] Gravetter. Statistics for the Behavioral Sciences: SPSS Manual. 4th ed. West, 1996.
警告：这些引文格式不一定是100％准确.