(1965). A new basis for social security in Spain. International Labour Organization.
Citazione stile Chigago Style (17a edizione)A New Basis for Social Security in Spain. International Labour Organization, 1965.
Citatione MLA (9a ed.)A New Basis for Social Security in Spain. International Labour Organization, 1965.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.