ebrary, Inc. (1998). Technical and ethical guidelines for workers' health surveillance. International Labour Office.
Čikaški stil citiranja (17. izdanje)ebrary, Inc. Technical and Ethical Guidelines for Workers' Health Surveillance. Geneva: International Labour Office, 1998.
MLA način citiranja (9. izdanje)ebrary, Inc. Technical and Ethical Guidelines for Workers' Health Surveillance. International Labour Office, 1998.
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