Croxton, F. (1955). Applied general statistics (2nd.). I. Pitman & Sons.
Lua i Stíl Chicago (17ú heag.)Croxton, F. Applied General Statistics. 2nd. Lonodon: I. Pitman & Sons, 1955.
Lua MLA (9ú heag.)Croxton, F. Applied General Statistics. 2nd. I. Pitman & Sons, 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.