(1957). The legal obligation to employ the disabled. International Labour Organization.
Citazione stile Chigago Style (17a edizione)The Legal Obligation to Employ the Disabled. International Labour Organization, 1957.
Citatione MLA (9a ed.)The Legal Obligation to Employ the Disabled. International Labour Organization, 1957.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.