United Nations. (1991). The United Nations and crime prevention. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations. The United Nations and Crime Prevention. New York: United Nations, 1991.
Citatione MLA (9a ed.)United Nations. The United Nations and Crime Prevention. United Nations, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.