Runyon, R. P., & Haber, A. (1996). Fundamentals of behavioral statistics (8th ed.). McGraw hill.
Lua i Stíl Chicago (17ú heag.)Runyon, Richard P., agus Audrey Haber. Fundamentals of Behavioral Statistics. 8th ed. New York: McGraw hill, 1996.
Lua MLA (9ú heag.)Runyon, Richard P., agus Audrey Haber. Fundamentals of Behavioral Statistics. 8th ed. McGraw hill, 1996.
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