Information systems today : managing in the digital world / Joseph S. Valacich, Christoph Schneider. - 4th ed
Upper Saddle River, N.J. : Pearson Education, c2010. - 624 s. ; 28 cm
Previous eds. by Leonard M. Jessup. - Includes bibliographical references and index
ISBN 0138157623

Information technology ; Information storage and retrieval systems - Business ; Technologie informacyjne