(1922). Factory inspection in Sweden in 1920. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Factory Inspection in Sweden in 1920. International Labour Organization, 1922.
Citatione MLA (9a ed.)Factory Inspection in Sweden in 1920. International Labour Organization, 1922.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.