Dempsey, John S. Introduction to investigations/ John S. Dempsey. - 2nd edition, [Thomson Asian edition] - Australia: Thomson/Wadsworth, c2007. - xvii, 458 pages: illustrations; 25 cm. Includes bibliographical references and index. ISBN: 978-9-81422728-5 Subjects--Topical Terms: Criminal investigationPrivate investigators Dewey Class. No.: DC 363.25 / D39i