Reference and information services in the 21st century an introduction

Detalhes bibliográficos
Autor principal:	Cassell, Kay Ann
Outros Autores:	Hiremath, Uma
Formato:	Livro
Idioma:	English
Publicado em:	London Facet c2006.
Assuntos:	Reference services (Libraries). Electronic reference services (Libraries). Reference books > Bibliography. Electronic reference sources > Directories.