1. Beere, C. A. (1990). Gender roles. A handbook of tests and measures. New York: Greenwood.
2. Beere, C. A., King, D. W., Beere, D. B., & King, L. A. (1984). The sex-role egalitarianism scale: a measure of attitudes toward equality between the sexes. Sex Roles, 10, 563–576.
3. Bosnjak, M. (2001). Participation in non-restricted web surveys: A typology and explanatory model for item non-response. In U. -D. Reips, & M. Bosnjak (Eds.) Dimensions of internet science (pp. 193–207). Lengerich: Pabst Science.
4. Braun, M. (1998). Gender roles. In J. W. van Deth (Ed.) Comparative politics: The problem of equivalence (pp. 111–134). London: Routledge.
5. Brogan, D., & Kutner, N. G. (1976). Measuring sex-role orientation: a normative approach. Journal of Marriage and the Family, 38, 31–40.