Freud, J. E. Statistics: A first course.
Lua i Stíl Chicago (17ú heag.)Freud, John E. Statistics: A First Course.
Lua MLA (9ú heag.)Freud, John E. Statistics: A First Course.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.