APA-viite (7. p.)
International Labour Organization & ebrary, Inc. (2012). ILO global estimate of forced labour: Results and methodology. International Labour Office.
Chicago-viite (17. p.)
International Labour Organization ja Inc ebrary. ILO Global Estimate of Forced Labour: Results and Methodology. Geneva: International Labour Office, 2012.
MLA-viite (9. p.)
International Labour Organization ja Inc ebrary. ILO Global Estimate of Forced Labour: Results and Methodology. International Labour Office, 2012.
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