1. Bagozzi, R.P. Causal Models In Marketing. Wiley, New York, 1980.
2. Bentler, P. Theory and Implementation of EQS: A Structural Equations Program. BMDP Statistical Software, Inc., Los Angeles, Calif. 1985.
3. Blalock, H.M., Ed. Causal Models in the Social Sciences. Aldine Publishing Co., New York, 1971.
4. Costner, H., and Herting, J. Respecifieation in multiple indicator models. In Causal Models in the Social Sciences: 2nd Edition, H. Blalock, Ed. Aldine Publishing Co., New York, 1985, pp. 321–393.
5. Duncan, O. Introduction to Structural Equation Models. Academic Press, New York, 1975.