ebrary, Inc. (1998). Technical and ethical guidelines for workers' health surveillance. International Labour Office.
Chicago-Zitierstil (17. Ausg.)ebrary, Inc. Technical and Ethical Guidelines for Workers' Health Surveillance. Geneva: International Labour Office, 1998.
MLA-Zitierstil (9. Ausg.)ebrary, Inc. Technical and Ethical Guidelines for Workers' Health Surveillance. International Labour Office, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.