Encyclopedia of information systems and services

Manylion Llyfryddiaeth
Prif Awdur:	Kruzas, Anthony Thomas
Fformat:	Llyfr
Iaith:	Saesneg
Cyhoeddwyd:	New Jersey Academic Media [c1971]
Pynciau:	Information services > United States > Directories. Information storage and retrieval > Directories. Data libraries > United States > Directories.