Reference and information services An introduction /

per Bopp, Richard E.
Publicat 2001

Reference information services /

per Bopp, Richard E.
Publicat 2005

Reference and information services An introduction /

per Bopp, Richard E.
Publicat 2011

Reference and information services An introduction /

per Bopp, Richard E.
Publicat 2005

Reference and information services introduction

per Bopp, Richard E; ed
Publicat 2011

Reference and information services: an introduction

per Bopp, Richard E; Editor, Smith, Linda C; Editor
Publicat 2005

Reference and information services: an introduction

per Bopp, Richard E; Editor, Smith, Linda C; Editor
Publicat 2005

Reference and information services: An introduction /

Publicat 2005

Reference and information services: an Introduction

Publicat 2001