Johnson, N. L., Kotz, S., & Balakrishnan, N. (1997). Discrete multivariate distributions. Wiley.
Cita Chicago (17th ed.)Johnson, Norman Lloyd, Samuel Kotz, i N. Balakrishnan. Discrete Multivariate Distributions. New York: Wiley, 1997.
Cita MLA (9th ed.)Johnson, Norman Lloyd, et al. Discrete Multivariate Distributions. Wiley, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.