1. Centers Richard: 1949, The Psychology of Social Classes (Princeton University Press, Princeton).
2. Converse, Philip E.: 1965, ?The shifting role of class in political attitudes and behavior?, in H. Proshansky and B. Seidenberg (eds.) Basic Studies in Social Psychology (Holt, Rinehart, and Winston, New York), pp. 339?349.
3. Dalia, Joan Talbert and Avery M. Guest: 1975, ?Embourgeoisement among blue-collar workers??, Sociological Quarterly 16, pp. 291?304.
4. Duncan, O.D.: 1975, ?Does money buy satisfaction?? Social Indicators Research 2, pp. 267?274.
5. Easterlin, R. A.: 1973, ?Does money buy happiness?? The Public Interest 30, pp. 3?10.