Não informado. (1984). Education for Health. World Health Organization, Division of Public Information and Education.
Chicago-referens (17:e uppl.)Não informado. Education for Health. Geneva, Suíça: World Health Organization, Division of Public Information and Education, 1984.
MLA-referens (8:e uppl.)Não informado. Education for Health. World Health Organization, Division of Public Information and Education, 1984.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.