Picconi, M. J., Romano, A., & Olson, C. L. (1993). Business Statistics: Elements and Applications. HarperCollins.
Lua i Stíl Chicago (17ú heag.)Picconi, Mario J., Albert Romano, agus Charles L. Olson. Business Statistics: Elements and Applications. New York: HarperCollins, 1993.
Lua MLA (9ú heag.)Picconi, Mario J., et al. Business Statistics: Elements and Applications. HarperCollins, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.