Triola, M. F. (1998). Elementary statistics (8th ed.). Addison-Wesley.
Lua i Stíl Chicago (17ú heag.)Triola, Mario F. Elementary Statistics. 8th ed. Reading, Massachusetts: Addison-Wesley, 1998.
Lua MLA (9ú heag.)Triola, Mario F. Elementary Statistics. 8th ed. Addison-Wesley, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.