Dag Hammarskjold Library. (1963). Bibliographical style manual. United Nations.
Lua i Stíl Chicago (17ú heag.)Dag Hammarskjold Library. Bibliographical Style Manual. New York: United Nations, 1963.
Lua MLA (9ú heag.)Dag Hammarskjold Library. Bibliographical Style Manual. United Nations, 1963.
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