Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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