Παραπομπή APA

Conover, W. J. (1971). Practical nonparametric statististics. John Wiley.

Παραπομπή Chicago Style

Conover, W. J. Practical Nonparametric Statististics. New York: John Wiley, 1971.

Παραπομπή MLA

Conover, W. J. Practical Nonparametric Statististics. John Wiley, 1971.