Johnson,Norman L. (2015). Univariate Discrete Distributions (3rd.). Wiley-Interscience.
Cita Chicago (17th ed.)Johnson,Norman L. Univariate Discrete Distributions. 3rd. New Jersey: Wiley-Interscience, 2015.
Cita MLA (9th ed.)Johnson,Norman L. Univariate Discrete Distributions. 3rd. Wiley-Interscience, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.