(1930). Labour problems in sugar-beet production in Denmark, Germany, and Sweden. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Labour Problems in Sugar-beet Production in Denmark, Germany, and Sweden. International Labour Organization, 1930.
Citatione MLA (9a ed.)Labour Problems in Sugar-beet Production in Denmark, Germany, and Sweden. International Labour Organization, 1930.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.