(1924). Inspection of employment in ports in the Netherlands in 1922. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Inspection of Employment in Ports in the Netherlands in 1922. International Labour Organization, 1924.
Citatione MLA (9a ed.)Inspection of Employment in Ports in the Netherlands in 1922. International Labour Organization, 1924.
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