Παραπομπή APA

Siegel, S. (1956). Non parametric statistics for the behavioural sciences. McGraw-Hill.

Παραπομπή Chicago Style

Siegel, Sidney. Non Parametric Statistics for the Behavioural Sciences. New York: McGraw-Hill, 1956.

Παραπομπή MLA

Siegel, Sidney. Non Parametric Statistics for the Behavioural Sciences. McGraw-Hill, 1956.