Runyon, R. P., & Haber, A. (1982). Business statistics. R.D. Irwin.
Lua i Stíl Chicago (17ú heag.)Runyon, Richard P., agus Audrey Haber. Business Statistics. Homewood, IL: R.D. Irwin, 1982.
Lua MLA (9ú heag.)Runyon, Richard P., agus Audrey Haber. Business Statistics. R.D. Irwin, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.