APA

Conover W., . (1980). Practical nonparametric statistics. New York: John Wiley.

Chicago

Conover W.J, . 1980. Practical nonparametric statistics. New York: John Wiley.

Harvard

Conover W., . (1980). Practical nonparametric statistics. New York: John Wiley.

MLA

Conover W.J, . Practical nonparametric statistics. New York: John Wiley. 1980.