Runyon, R. P., & Haber, A. (1980). Fundamentals of behavioral statistics (4th ed.). Addison - wesley.
Lua i Stíl Chicago (17ú heag.)Runyon, Richard P., agus Audrey Haber. Fundamentals of Behavioral Statistics. 4th ed. London: Addison - wesley, 1980.
Lua MLA (9ú heag.)Runyon, Richard P., agus Audrey Haber. Fundamentals of Behavioral Statistics. 4th ed. Addison - wesley, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.