Ryan, B. F., Joiner, B. L., & Ryan, T. A. (1985). Minitab handbook (Second edition.). Duxbury Press.
Lua i Stíl Chicago (17ú heag.)Ryan, Barbara F., Brian L. Joiner, agus Thomas A. Ryan. Minitab Handbook. Second edition. Boston: Duxbury Press, 1985.
Lua MLA (8ú heag.)Ryan, Barbara F., et al. Minitab Handbook. Second edition. Duxbury Press, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.