1. Toward an understanding of inequity;Adams;Journal of Abnormal and Social Psychology,1963
2. Att ha, att älska, att vara. Om välfärd i Norden. [Having, Loving, Being];Allardt,1975
3. The Psychology of Happiness;Argyle,1987
4. Berry, W.D., Feldman, S., 1985. Multiple Regression in Practice. SAGE University Paper series on Quantitative Applications in the Social Sciences 50. Sage Publications, Beverly Hills
5. Testing the effect of level and importance of pay referents on pay level satisfaction;Blau;Human Relations,1994