Costa, P. T. M. (2009). Fighting forced labour: The example of Brazil. International Labour Office.
Chicago-viite (17. p.)Costa, Patricía Trindade Maranhão. Fighting Forced Labour: The Example of Brazil. Geneva: International Labour Office, 2009.
MLA-viite (9. p.)Costa, Patricía Trindade Maranhão. Fighting Forced Labour: The Example of Brazil. International Labour Office, 2009.
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