Pierre, M. (1981). Recent developments in the humanisation of working conditions in Belgium. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Pierre, Marcel. Recent Developments in the Humanisation of Working Conditions in Belgium. International Labour Organization, 1981.
Citatione MLA (9a ed.)Pierre, Marcel. Recent Developments in the Humanisation of Working Conditions in Belgium. International Labour Organization, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.