Reference and information services in the 21st century an introduction

Xehetasun bibliografikoak
Egile nagusia:	Cassell, Kay Ann
Beste egile batzuk:	Hiremath, Uma
Formatua:	Liburua
Hizkuntza:	ingelesa
Argitaratua:	London Facet c2006.
Gaiak:	Reference services (Libraries). Electronic reference services (Libraries). Reference books > Bibliography. Electronic reference sources > Directories.