Howell, D. C. (2014). Fundamental statistics for the behavioral sciences (Eighth edition.). Wadsworth, Cengage Learning.
Cita Chicago (17th ed.)Howell, David C. Fundamental Statistics for the Behavioral Sciences. Eighth edition. Belmont, California: Wadsworth, Cengage Learning, 2014.
Cita MLA (9th ed.)Howell, David C. Fundamental Statistics for the Behavioral Sciences. Eighth edition. Wadsworth, Cengage Learning, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.