APA استشهاد

Sprent, P., & Smeeton, N. C. (2007). Applied nonparametric statistical methods (4th ed.). Chapman & Hall.

استشهاد بنمط شيكاغو

Sprent, Peter, و Nigel C. Smeeton. Applied Nonparametric Statistical Methods. 4th ed. Boca Raton: Chapman & Hall, 2007.

MLA استشهاد

Sprent, Peter, و Nigel C. Smeeton. Applied Nonparametric Statistical Methods. 4th ed. Chapman & Hall, 2007.