ONU. (1985). The blue helmets: A review of United Nations peace-keeping. Department of Public Information.
Citación estilo ChicagoONU. The Blue Helmets: A Review of United Nations Peace-keeping. Nueva York: Department of Public Information, 1985.
Cita MLAONU. The Blue Helmets: A Review of United Nations Peace-keeping. Department of Public Information, 1985.
Warning: These citations may not always be 100% accurate.