Runyon, R. P., & Haber, A. (1984). Fundamentals of behavioral statistics (5th ed.). Addison - Wesley Pub. Co. Inc..
Lua i Stíl Chicago (17ú heag.)Runyon, Richard P., agus Audrey Haber. Fundamentals of Behavioral Statistics. 5th ed. Canada: Addison - Wesley Pub. Co. Inc., 1984.
Lua MLA (9ú heag.)Runyon, Richard P., agus Audrey Haber. Fundamentals of Behavioral Statistics. 5th ed. Addison - Wesley Pub. Co. Inc., 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.