Corder, G. W., & Foreman, D. I. (2009). Nonparametric Statistics for non-statisticians (1a. ed.). Wiley.
Cita Chicago (17th ed.)Corder, Gregory W., i Dale I. Foreman. Nonparametric Statistics for Non-statisticians. 1a. ed. Hoboken: Wiley, 2009.
Cita MLA (9th ed.)Corder, Gregory W., i Dale I. Foreman. Nonparametric Statistics for Non-statisticians. 1a. ed. Wiley, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.