Conover, W. J. (1980). Practical nonparametric statistics (2nd edition.). J. Wiley.
Style de citation Chicago (17e éd.)Conover, William Jay. Practical Nonparametric Statistics. 2nd edition. New York: J. Wiley, 1980.
Style de citation MLA (8e éd.)Conover, William Jay. Practical Nonparametric Statistics. 2nd edition. J. Wiley, 1980.
警告：這些引文格式不一定是100％准確.