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Lua i Stíl Chicago (17ú heag.)DAY, Licholn H. Analysing Population Trends: Differential Fertility in a Pluralistic Society. London: Croom Helm, 1983.
Lua MLA (9ú heag.)DAY, Licholn H. Analysing Population Trends: Differential Fertility in a Pluralistic Society. Croom Helm, 1983.
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