1. Blau, Francine D., Marianne Ferber, and Anne Winkler, The Economics of Women, Men, and Work, 4th ed. (Upper Saddle River, NJ: Prentice Hall, 2002).
2. Booth, Alan, etal, "Female Labor Force Participation and Marital Instability," Inter-university Consortium for Political and Social Research, Study No. 9199. http://www.icpsr.umich.edu:8080/ICPSR-STUDY/09199.xml, 1980.