International Labor Office, World Employment Programme, & Costa, E. (1977). Guidelines for the organization of special labour-intensive works programmes. International Labour Office.
Citace podle Chicago (17th ed.)International Labor Office, World Employment Programme, a Emile Costa. Guidelines for the Organization of Special Labour-intensive Works Programmes. Geneva: International Labour Office, 1977.
Citace podle MLA (9th ed.)International Labor Office, et al. Guidelines for the Organization of Special Labour-intensive Works Programmes. International Labour Office, 1977.
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