Feller, W. (1950). An introduction to probability theory and its applications: Volume 1 - 2nd Edition. Wiley.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিFeller, William. An Introduction to Probability Theory and Its Applications: Volume 1 - 2nd Edition. New York: Wiley, 1950.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিFeller, William. An Introduction to Probability Theory and Its Applications: Volume 1 - 2nd Edition. Wiley, 1950.