Citazione Stile APA (7a Edizione)
Welkowitz, J., Ewen, R. B., & Cohen, J. (2000). Introductory statistics for the behavioral sciences (5th ed.). Harcourt Brace College Publishers.
Citazione stile Chigago Style (17a edizione)
Welkowitz, Joan, Robert B. Ewen, e Jacob Cohen. Introductory Statistics for the Behavioral Sciences. 5th ed. Fort Worth: Harcourt Brace College Publishers, 2000.
Citatione MLA (9a ed.)
Welkowitz, Joan, et al. Introductory Statistics for the Behavioral Sciences. 5th ed. Harcourt Brace College Publishers, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.