Ewen, R. B. (2000). Introductory statistics for the behavioral sciences: For the behavioral sciences (5th ed.). John Wiley & Sons.
Cita Chicago (17th ed.)Ewen, Robert B. Introductory Statistics for the Behavioral Sciences: For the Behavioral Sciences. 5th ed. Hoboken, NJ: John Wiley & Sons, 2000.
Cita MLA (9th ed.)Ewen, Robert B. Introductory Statistics for the Behavioral Sciences: For the Behavioral Sciences. 5th ed. John Wiley & Sons, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.