APA (7th ed.) Zitazioa
Welkowitz, J., Ewen, R. B., & Cohen, J. (2000). Introductory statistics for the behavioral sciences (5th ed.). Harcourt Brace College Publishers.
Chicago Style (17th ed.) Zitazioa
Welkowitz, Joan, Robert B. Ewen, eta Jacob Cohen. Introductory Statistics for the Behavioral Sciences. 5th ed. Fort Worth: Harcourt Brace College Publishers, 2000.
MLA (9th ed.) Zitazioa
Welkowitz, Joan, et al. Introductory Statistics for the Behavioral Sciences. 5th ed. Harcourt Brace College Publishers, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.