Bergengren, R. F. (1927). Credit co-operation as adapted to the needs of the worker. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Bergengren, Roy F. Credit Co-operation as Adapted to the Needs of the Worker. International Labour Organization, 1927.
Citatione MLA (9a ed.)Bergengren, Roy F. Credit Co-operation as Adapted to the Needs of the Worker. International Labour Organization, 1927.
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