Hollander, M., & Wolfe, D. A. (1973). Nonparametric statistical methods. Wiley.
Cita Chicago (17th ed.)Hollander, Myles, i Douglas A. Wolfe. Nonparametric Statistical Methods. Nueva York: Wiley, 1973.
Cita MLA (9th ed.)Hollander, Myles, i Douglas A. Wolfe. Nonparametric Statistical Methods. Wiley, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.