Maul, D. (2019). The International Labour Organization: 100 years of global social policy. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Maul, Daniel. The International Labour Organization: 100 Years of Global Social Policy. International Labour Organization, 2019.
Citatione MLA (9a ed.)Maul, Daniel. The International Labour Organization: 100 Years of Global Social Policy. International Labour Organization, 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.