Siegel, S., & Castellan, N. J. (1988). Nonparametric statistics for the behavioral sciences (2nd ed.). National Book Store.
Lua i Stíl Chicago (17ú heag.)Siegel, Sidney, agus N. John Castellan. Nonparametric Statistics for the Behavioral Sciences. 2nd ed. Manila: National Book Store, 1988.
Lua MLA (9ú heag.)Siegel, Sidney, agus N. John Castellan. Nonparametric Statistics for the Behavioral Sciences. 2nd ed. National Book Store, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.