Isaac, J. (1952). International migration and European population trends. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Isaac, Julius. International Migration and European Population Trends. International Labour Organization, 1952.
Citatione MLA (9a ed.)Isaac, Julius. International Migration and European Population Trends. International Labour Organization, 1952.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.