International Labor Office. (1991). Summaries of international labour standards (2nd ed., updated in 1990.). International Labour Office.
Citace podle Chicago (17th ed.)International Labor Office. Summaries of International Labour Standards. 2nd ed., updated in 1990. Geneva: International Labour Office, 1991.
Citace podle MLA (9th ed.)International Labor Office. Summaries of International Labour Standards. 2nd ed., updated in 1990. International Labour Office, 1991.
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