International Labour Organization. Labour Administration, L. I. a. O. S. a. H. B. (2019). ALASEHT Asociación Latinoamericana de Seguridad e Higiene en el Trabajo (Latin American Association of Safety and Hygiene at Work). International Labour Organization.
Chicago-Zitierstil (17. Ausg.)International Labour Organization. Labour Administration, Labour Inspection and Occupational Safety and Health Branch. ALASEHT Asociación Latinoamericana De Seguridad E Higiene En El Trabajo (Latin American Association of Safety and Hygiene at Work). International Labour Organization, 2019.
MLA-Zitierstil (9. Ausg.)International Labour Organization. Labour Administration, Labour Inspection and Occupational Safety and Health Branch. ALASEHT Asociación Latinoamericana De Seguridad E Higiene En El Trabajo (Latin American Association of Safety and Hygiene at Work). International Labour Organization, 2019.