Williams, Paul D., Security studies : an introduction / edited by Paul D. Williams and Matt McDonald. - Third edition. - New York : Routledge, 2018. - xviii, 665 pages ; 26 cm "First edition published by Routledge 2008"--T.p. verso. Includes bibliographical references and index. ISBN: 9780415784900 Subjects--Topical Terms: Security, International. LC Class. No.: JZ5588 / .W721S