World Health Organization. (2003). Dots at the workplace: Guidelines for TB control activities at the workplace. World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization. Dots at the Workplace: Guidelines for TB Control Activities at the Workplace. New Delhi: World Health Organization, 2003.
MLA-referens (8:e uppl.)World Health Organization. Dots at the Workplace: Guidelines for TB Control Activities at the Workplace. World Health Organization, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.