Siegel, Sidney. , <br/><br/>
Nonparametric statistics for the behavioral sciences / 
Sidney Siegel, N. John Castellan. 
 - 2nd ed. 
<br/><br/><label>ISBN: </label>0070573573 0071003266 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychometrics.<br/>Nonparametric statistics.<br/>Social sciences --Statistical methods.
<br/><br/><label>LC Class. No.: </label>BF39   / .S44 1988