Howard, G. B. (2002). Healthy villages: A guide for communities and comunity health workers. World Health Organization.
Chicago-referens (17:e uppl.)Howard, Guy Bogh. Healthy Villages: A Guide for Communities and Comunity Health Workers. Geneva: World Health Organization, 2002.
MLA-referens (8:e uppl.)Howard, Guy Bogh. Healthy Villages: A Guide for Communities and Comunity Health Workers. World Health Organization, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.