Lua APA (7ú heag.)
Welkowitz, J., Cohen, B. H., & Lea, R. B. (2012). Introductory statistics for the behavioral sciences (7th ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)
Welkowitz, Joan, Barry H. Cohen, agus R. Brooke Lea. Introductory Statistics for the Behavioral Sciences. 7th ed. Hoboken, N.J.: Wiley, 2012.
Lua MLA (9ú heag.)
Welkowitz, Joan, et al. Introductory Statistics for the Behavioral Sciences. 7th ed. Wiley, 2012.
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