Não informado. (1984). Education for Health. World Health Organization, Division of Public Information and Education.
Chicago-Zitierstil (17. Ausg.)Não informado. Education for Health. Geneva, Suíça: World Health Organization, Division of Public Information and Education, 1984.
MLA-Zitierstil (8. Ausg.)Não informado. Education for Health. World Health Organization, Division of Public Information and Education, 1984.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.