de Jong, A. (1998). Long-term fertility scenarios for the countries of the European economic area. European Commission.
Citazione stile Chigago Style (17a edizione)de Jong, Andries. Long-term Fertility Scenarios for the Countries of the European Economic Area. Luxembourg: European Commission, 1998.
Citatione MLA (8a ed.)de Jong, Andries. Long-term Fertility Scenarios for the Countries of the European Economic Area. European Commission, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.