1. Bancroft, J. (Ed.). (2000). The role of theory in sex research. Bloomington: Indiana University Press.
2. Blumstein, P., & Schwartz, P. (1983). American couples. New York: Morrow.
3. Bourdieu, P., & Wacquant, L. D. (1992). An invitation to reflexive sociology. Chicago: University of Chicago Press.
4. Collins, R. (2004). Interaction ritual chains. Princeton, NJ: Princeton University Press.
5. Hatfield, E., & Rapson, R. L. (1996). Love and sex: Cross-cultural perspectives. Boston: Allyn and Bacon.