Cita APA (7th ed.)
Welkowitz, J., Ewen, R. B., & Cohen, J. (2000). Introductory statistics for the behavioral sciences (5th ed.). Harcourt Brace College Publishers.
Cita Chicago (17th ed.)
Welkowitz, Joan, Robert B. Ewen, i Jacob Cohen. Introductory Statistics for the Behavioral Sciences. 5th ed. Fort Worth: Harcourt Brace College Publishers, 2000.
Cita MLA (9th ed.)
Welkowitz, Joan, et al. Introductory Statistics for the Behavioral Sciences. 5th ed. Harcourt Brace College Publishers, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.