Cassell, Kay Ann Reference and information services : an introduction / Kay Ann Cassell and Uma Hiremath - 3rd ed. - Chicago : ALA Editions, an imprint of the American Library Association, 2013 - xvii, 510 p. : ill. ; 23 cm. Includes bibliographical references and indexes ISBN: 9781555708597 : 3,500 baht Subjects--Topical Terms: Electronic reference services (Libraries)Electronic reference sources--DirectoriesReference booksœvBibliographyReference services (Libraries)