1. Family Influences on Family Size Preferences
2. Relationship between Family Sizes of Two Successive Generations
3. Buss, D. M. 1999. “Evolutionary psychology: the new science of the mind”. Boston: Allyn and Bacon.
4. Cavalli-Sforza, L. L. and Bodmer, W. F. 1971. “The Genetics of Human Populations”. San Francisco: W. H. Freeman.
5. Charlesworth, B. 1980. “Evolution in Age-Structured Populations”. Cambridge: Cambridge University Press.