World Health Organization. (1981). Infant and young child feeding current issues. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. Infant and Young Child Feeding Current Issues. Geneva: World Health Organization, 1981.
Citatione MLA (8a ed.)World Health Organization. Infant and Young Child Feeding Current Issues. World Health Organization, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.