Spiegel Murray. (2013). Probability and Statistics (4th.). McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Spiegel Murray. Probability and Statistics. 4th. New York: McGraw Hill, 2013.
Lua MLA (9ú heag.)Spiegel Murray. Probability and Statistics. 4th. McGraw Hill, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.