Conover, W. J. (1980). Practical nonparametric statistics (2a. ed.). John Wiley.
Cita Chicago (17th ed.)Conover, W. J. Practical Nonparametric Statistics. 2a. ed. Nueva York: John Wiley, 1980.
Cita MLA (9th ed.)Conover, W. J. Practical Nonparametric Statistics. 2a. ed. John Wiley, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.