Hays, W. L. (1963). Statistics for Psychologists. Holt, Rinehart and Winston.
Cita Chicago (17th ed.)Hays, William L. Statistics for Psychologists. New York: Holt, Rinehart and Winston, 1963.
Cita MLA (9th ed.)Hays, William L. Statistics for Psychologists. Holt, Rinehart and Winston, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.