Directory of United Nations information sources /
compiled by the Advisory Committee for the Co-ordination of Information Systems (ACCIS).
- 5th ed.
- [Geneva] : United Nations, 1994-
- v.
9211006813
United Nations--Information services--Directories.
Information services--Directories--United Nations.
9211006813
United Nations--Information services--Directories.
Information services--Directories--United Nations.