Dobbs. CIE: STATISTICS 2 : ADVANCED LEVEL MATHEMATICS. Cambridge.
Lua i Stíl Chicago (17ú heag.)Dobbs. CIE: STATISTICS 2 : ADVANCED LEVEL MATHEMATICS. Cambridge.
Lua MLA (9ú heag.)Dobbs. CIE: STATISTICS 2 : ADVANCED LEVEL MATHEMATICS. Cambridge.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.