Gravetter, F. J., & Wallnau, L. B. (1996). Statistics for the behavioral sciences: A first course for students of psychology and education (4th ed.). West.
Lua i Stíl Chicago (17ú heag.)Gravetter, Fredrick J., agus Larry B. Wallnau. Statistics for the Behavioral Sciences: A First Course for Students of Psychology and Education. 4th ed. New York: West, 1996.
Lua MLA (9ú heag.)Gravetter, Fredrick J., agus Larry B. Wallnau. Statistics for the Behavioral Sciences: A First Course for Students of Psychology and Education. 4th ed. West, 1996.
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