Information brokers and reference services

Manylion Llyfryddiaeth
Awduron Eraill:	Katz, William A. 1924-
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	New York Haworth Press c1988.
Pynciau:	Reference services (Libraries). Information services industry. Libraries and industry. Information services > Fees.