Bock, R. D. Multivariate Statistical Methods in Behavioral Research. New York: McGraw-Hill, 1975. p. 541 (General)
Bock, R. D., and Yates, G. MULTIQUAL: Log-LinearAnalysis of Nominal or Ordinal Qualitative Data by the Method of Maximum Likelihood. User's Guide. Chicago: National Educational Resources, 1973. (MULTIQUAL)
Chi-square tests:
Bock, R. D. Multivariate Statistical Methods in Behavioral Research. New York: McGraw-Hill, 1975. p. 518 (Pearson and maximum likelihood)