MM. (1988). Minitab Handbook For Business And Economics. PWS-Kent Publishing.
Lua i Stíl Chicago (17ú heag.)MM. Minitab Handbook For Business And Economics. PWS-Kent Publishing, 1988.
Lua MLA (8ú heag.)MM. Minitab Handbook For Business And Economics. PWS-Kent Publishing, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.