Bishop, Y. M. M., Fienberg, S. E., Holland, P. W., Light, R. J., & Mosteller, F. (1975). Discrete multivariate analisis: Theory and practice (1a. ed.). MIT Press.

Bishop, Yvonne M. M., Stephen E. Fienberg, Paul W. Holland, Richard J. Light, and Frederick Mosteller. Discrete Multivariate Analisis: Theory and Practice. 1a. ed. Cambridge: MIT Press, 1975.

Bishop, Yvonne M. M., et al. Discrete Multivariate Analisis: Theory and Practice. 1a. ed. MIT Press, 1975.