Welkowitz, J., & Ewen, R. B. ,. (1971). Introductory statistics for the behavioral sciences. Academic Press.
芝加哥风格引文Welkowitz, Joan, 与 Robert B. ,Cohen Ewen. Introductory Statistics for the Behavioral Sciences. New York: Academic Press, 1971.
MLA引文Welkowitz, Joan, 与 Robert B. ,Cohen Ewen. Introductory Statistics for the Behavioral Sciences. Academic Press, 1971.
警告：这些引文格式不一定是100％准确.