Spiegel, M. R. (2020). Probability and Statistics. Mcgraw hill.
Lua i Stíl Chicago (17ú heag.)Spiegel, Murray R. Probability and Statistics. India: Mcgraw hill, 2020.
Lua MLA (9ú heag.)Spiegel, Murray R. Probability and Statistics. Mcgraw hill, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.