de Jong, A. (1998). Long-term fertility scenarios for the countries of the European economic area. European Commission.
Chicago-viite (17. p.)de Jong, Andries. Long-term Fertility Scenarios for the Countries of the European Economic Area. Luxembourg: European Commission, 1998.
MLA-viite (8. p.)de Jong, Andries. Long-term Fertility Scenarios for the Countries of the European Economic Area. European Commission, 1998.
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