(1933). Some recent censuses or estimates of unemployment. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Some Recent Censuses or Estimates of Unemployment. International Labour Organization, 1933.
Citatione MLA (9a ed.)Some Recent Censuses or Estimates of Unemployment. International Labour Organization, 1933.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.