Chalmer, B. J. (1987). Understanding statistics. M. Dekker.
Lua i Stíl Chicago (17ú heag.)Chalmer, Bruce J. Understanding Statistics. New York: M. Dekker, 1987.
Lua MLA (9ú heag.)Chalmer, Bruce J. Understanding Statistics. M. Dekker, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.