ONU. (1985). The blue helmets: A review of United Nations peace-keeping. Department of Public Information.
Chicago (17e ed.) BronvermeldingONU. The Blue Helmets: A Review of United Nations Peace-keeping. Nueva York: Department of Public Information, 1985.
MLA (9e ed.) BronvermeldingONU. The Blue Helmets: A Review of United Nations Peace-keeping. Department of Public Information, 1985.
Let op: Deze citaties zijn niet altijd 100% accuraat.