United Nations. Dept. of Public Information. (1949). Check list of United Nations Library. pt. 1- 1949-. United Nations Library.
Style de citation Chicago (17e éd.)United Nations. Dept. of Public Information. Check List of United Nations Library. Pt. 1- 1949-. Lake Success: United Nations Library, 1949.
Style de citation MLA (9e éd.)United Nations. Dept. of Public Information. Check List of United Nations Library. Pt. 1- 1949-. United Nations Library, 1949.
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