Watkins, W. P. (1965). The promotion and role of co-operation in the developing regions. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Watkins, W. P. The Promotion and Role of Co-operation in the Developing Regions. International Labour Organization, 1965.
Citatione MLA (9a ed.)Watkins, W. P. The Promotion and Role of Co-operation in the Developing Regions. International Labour Organization, 1965.
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