Citazione APA

Hoel, P. G., & Port, S. C. S. (1991). Introduction to probability theory. Universal.

Stile di citazione Chicago

Hoel, Paul G., e Sidney C Stone Port. Introduction to Probability Theory. New Delhi: Universal, 1991.

Citazione MLA

Hoel, Paul G., e Sidney C Stone Port. Introduction to Probability Theory. Universal, 1991.