United Nations & United Nations. Department of Public Information. (1990). The Blue helmets: A review of the United Nations peace-keeping (2nd ed.). United Nations. Dept. of Public Info.
Citación estilo ChicagoUnited Nations and United Nations. Department of Public Information. The Blue Helmets: A Review of the United Nations Peace-keeping. 2nd ed. New York: United Nations. Dept. of Public Info, 1990.
Cita MLAUnited Nations and United Nations. Department of Public Information. The Blue Helmets: A Review of the United Nations Peace-keeping. 2nd ed. United Nations. Dept. of Public Info, 1990.
Warning: These citations may not always be 100% accurate.