Freedman, R., & Coombs, L. C. (1974). Cross-cultural comparisons: Data on two factors in fertility behavior : report of a project of the Subcommittee on Comparative Fertility Analysis of the International Union for the Scientific Study of Population. Population Council.
Citazione stile Chigago Style (17a edizione)Freedman, Ronald, e Lolagene C. Coombs. Cross-cultural Comparisons: Data on Two Factors in Fertility Behavior : Report of a Project of the Subcommittee on Comparative Fertility Analysis of the International Union for the Scientific Study of Population. New York: Population Council, 1974.
Citatione MLA (8a ed.)Freedman, Ronald, e Lolagene C. Coombs. Cross-cultural Comparisons: Data on Two Factors in Fertility Behavior : Report of a Project of the Subcommittee on Comparative Fertility Analysis of the International Union for the Scientific Study of Population. Population Council, 1974.