Reference and information services An introduction /

ανά Bopp, Richard E.
Έκδοση 2001

Reference information services /

ανά Bopp, Richard E.
Έκδοση 2005

Reference and information services An introduction /

ανά Bopp, Richard E.
Έκδοση 2011

Reference and information services An introduction /

ανά Bopp, Richard E.
Έκδοση 2005

Reference and information services introduction

ανά Bopp, Richard E; ed
Έκδοση 2011

Reference and information services: an introduction

ανά Bopp, Richard E; Editor, Smith, Linda C; Editor
Έκδοση 2005

Reference and information services: an introduction

ανά Bopp, Richard E; Editor, Smith, Linda C; Editor
Έκδοση 2005

Reference and information services: An introduction /

Έκδοση 2005

Reference and information services: an Introduction

Έκδοση 2001