DAY, L. H. (1983). Analysing population trends: Differential fertility in a pluralistic society. Croom Helm.
Dyfyniad Arddull ChicagoDAY, Licholn H. Analysing Population Trends: Differential Fertility in a Pluralistic Society. London: Croom Helm, 1983.
Dyfyniad MLADAY, Licholn H. Analysing Population Trends: Differential Fertility in a Pluralistic Society. Croom Helm, 1983.
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