Παραπομπή APA

Snedecor, G. W., & Cochran, W. G. (1967). Statistical methods /6e (6th ed.). Oxford.

Παραπομπή Chicago Style

Snedecor, George W., και William G. Cochran. Statistical Methods /6e. 6th ed. Calcutta: Oxford, 1967.

Παραπομπή MLA

Snedecor, George W., και William G. Cochran. Statistical Methods /6e. 6th ed. Oxford, 1967.