ONU. (1985). The blue helmets: A review of United Nations peace-keeping. Department of Public Information.
Chicago-referens (17:e uppl.)ONU. The Blue Helmets: A Review of United Nations Peace-keeping. Nueva York: Department of Public Information, 1985.
MLA-referens (9:e uppl.)ONU. The Blue Helmets: A Review of United Nations Peace-keeping. Department of Public Information, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.