Johnson, N. L., Kotz, S., & Balakrishnan, N. (1997). Discrete multivariate distributions. Wiley.
Dyfyniad Arddull ChicagoJohnson, Norman Lloyd, Samuel Kotz, and N. Balakrishnan. Discrete Multivariate Distributions. New York: Wiley, 1997.
Dyfyniad MLAJohnson, Norman Lloyd, et al. Discrete Multivariate Distributions. Wiley, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.