(1929). Compulsory accident insurance in Switzerland from 1923 to 1927. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Compulsory Accident Insurance in Switzerland from 1923 to 1927. International Labour Organization, 1929.
Citatione MLA (9a ed.)Compulsory Accident Insurance in Switzerland from 1923 to 1927. International Labour Organization, 1929.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.