See Allo

Bopp, Richard E.

Reference and information services : an introduction

Libraries Unlimited, 2001

Buku Teks

Cassell, Kay Ann

Reference and information services : an introduction

Neal-Schuman, an imprint of the American Library Association, 2013

Buku Teks

International aspects of reference and information services

edited by Bill Katz; Ruth Fraley

The Haworth Press , 1987

Buku Teks

Cassell, Kay Ann

Reference and information services in the 21st century : an introduction

Facet Publishing, 2006

Buku Teks

Cassel, Kay Ann

Reference and information services in the 21st century : an introduction

Neal-Schuman , 2006

Buku Teks