Information services today : an introduction / edited by Sandra Hirsh. Hirsh, Sandra. ed. Libraries Aims and objectives. Information services. 027 INF Glossary: p. 477-504. Bibliography: p. 505-545. Includes bibliographical references and index. Lanham : Rowman & Littlefield, 2018. 2018. 2018 Text xxxiv, 574 p. : eng