Snedecor, G. W., & Cochran, W. G. (1967). Statistical methods (6th edition.). Iowa State University Press.
芝加哥风格引文Snedecor, George Waddel, 与 William Gemmell Cochran. Statistical Methods. 6th edition. Ames: Iowa State University Press, 1967.
MLA引文Snedecor, George Waddel, 与 William Gemmell Cochran. Statistical Methods. 6th edition. Iowa State University Press, 1967.
警告：这些引文格式不一定是100％准确.