Ferdinand-Dreyfus, J. (1924). Financial systems in social insurance. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Ferdinand-Dreyfus, Jacques. Financial Systems in Social Insurance. International Labour Organization, 1924.
Citatione MLA (9a ed.)Ferdinand-Dreyfus, Jacques. Financial Systems in Social Insurance. International Labour Organization, 1924.
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