Daniel, W. W. (1990). Applied nonparametric statistics (2nd ed.). PWS-KENT Pub.
Cita Chicago (17th ed.)Daniel, Wayne W. Applied Nonparametric Statistics. 2nd ed. Boston: PWS-KENT Pub, 1990.
Cita MLA (9th ed.)Daniel, Wayne W. Applied Nonparametric Statistics. 2nd ed. PWS-KENT Pub, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.