World Health Organization. (1981). Infant and young child feeding current issues. World Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization. Infant and Young Child Feeding Current Issues. Geneva: World Health Organization, 1981.
MLA-Zitierstil (8. Ausg.)World Health Organization. Infant and Young Child Feeding Current Issues. World Health Organization, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.