Feller, W. (1950). An introduction to probability theory and its applications: Volume 1 - 2nd Edition. Wiley.
Lua i Stíl Chicago (17ú heag.)Feller, William. An Introduction to Probability Theory and Its Applications: Volume 1 - 2nd Edition. New York: Wiley, 1950.
Lua MLA (9ú heag.)Feller, William. An Introduction to Probability Theory and Its Applications: Volume 1 - 2nd Edition. Wiley, 1950.