International Labor Office & International Labor Organization. (1992). International labour conventions and recommendations, 1919-1991. International Labor Office.
Chicago-viite (17. p.)International Labor Office ja International Labor Organization. International Labour Conventions and Recommendations, 1919-1991. Geneva: International Labor Office, 1992.
MLA-viite (9. p.)International Labor Office ja International Labor Organization. International Labour Conventions and Recommendations, 1919-1991. International Labor Office, 1992.
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