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.
Chicago Style (17. basım) AtıfUnited Nations ve 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.
MLA (9th ed.) AtıfUnited Nations ve 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.
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