Whitten, Jeffrey L. Systems analysis and design methods / Systems analysis & design methods Jeffrey L. Whitten, Lonnie D. Bentley ; with contributions by Gary Randolph. - 7th ed. - Boston : McGraw-Hill/Irwin, 1986. - xv, 747 p. : ill. (some col.) ; 29 cm. Includes bibliographical references and index. ISBN: 0073052337 (alk. paper) 9780073052335 LCCN: 2005054019 Subjects--Topical Terms: System analysis.System design.