1. Agresti, 1990. Categorical Data Analysis. Wiley, New York.
2. Agresti, A., 1996. An Introduction to Categorical Data Analysis. Wiley, New York.
3. Arabie, P., Boorman, S.A., 1982. Blockmodels: developments and prospects. In: Hudson, H.C. (Ed.), Classifying Social Data. Jossey-Bass, San Francisco.
4. Constructing blockmodels: how and why;Arabie;Journal of Mathematical Psychology,1978
5. Combinatorial data analysis;Arabie;Annual Review of Psychology,1992