Siegel, S. (1956). Noparametric statistics for the behavioral sciences. McGraw-Hill.
Cita Chicago (17th ed.)Siegel, Sidney. Noparametric Statistics for the Behavioral Sciences. New York: McGraw-Hill, 1956.
Cita MLA (9th ed.)Siegel, Sidney. Noparametric Statistics for the Behavioral Sciences. McGraw-Hill, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.