Singer, H. W. (1972). Children in the strategy of development. United Nations.
Citazione stile Chigago Style (17a edizione)Singer, Hans Wolfgang. Children in the Strategy of Development. New York: United Nations, 1972.
Citatione MLA (9a ed.)Singer, Hans Wolfgang. Children in the Strategy of Development. United Nations, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.