Cyganski, David. Information technology : inside and outside / David Cyganski, John A. Orr with Richard F. Vaz. - Upper Saddle River, N.J. : Prentice Hall, c2001. - xxiv, 338 p. : ill. (some col.), col. maps ; 27 cm. + 1 com puter optical disc (4 3/4 in.) Includes bibliographical references and index. ISBN: 0130114960 LCCN: 00-033645 Subjects--Topical Terms: Information technology Dewey Class. No.: 621.39