Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

Sprent, Peter, και Nigel C. Smeeton. Applied Nonparametric Statistical Methods/4th Ed. Chapman& Hall/ CRC press, 2007.