Stein, O. (1941). Building social security. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Stein, Oswald. Building Social Security. International Labour Organization, 1941.
Citatione MLA (9a ed.)Stein, Oswald. Building Social Security. International Labour Organization, 1941.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.