1. Angrist, S. S. The study of sex roles. Journal of Social Issues, 1969, 25, 215?232.
2. Angrist, S. S., & Almquist, E. M. Careers and Contingencies. New York: University Press of Cambridge, MA, 1975.
3. Baber, K. M., & Dreyer, A. S. Gender-role orientations in older child-free and expectant couples. Sex Roles, 1986, 14, 501?502.
4. Baldwin, W. H., & Nord, C. W. Delayed childbearing in the U.S.: Facts or fiction. Population Reference Bureau Bulletin, 39, 1984.
5. Bianchi, S. M., & Spain, D. American women: Three decades of change (Document No. C 3.261:80?8). Bureau of the Census, Department of Congress, 1983.