SPIEGEL MURRAY R. (1982). PROBABILITY AND STATISTICS. MCGRAW-HILL.
Lua i Stíl Chicago (17ú heag.)SPIEGEL MURRAY R. PROBABILITY AND STATISTICS. SINGAPORE: MCGRAW-HILL, 1982.
Lua MLA (9ú heag.)SPIEGEL MURRAY R. PROBABILITY AND STATISTICS. MCGRAW-HILL, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.