APA

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

Chicago

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

Harvard

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

MLA

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