McGraw-Hill Companies, August 2002

McGraw-Hill Companies, August 9, 2000

McGraw-Hill/Irwin, August 14, 2002

McGraw-Hill Companies, August 2002 Hardcover

McGraw-Hill/Irwin, August 14, 2002 Paperback

McGraw-Hill Companies, August 9, 2000 Paperback

International Center for Research on the Management of Technology, Alfred P. Sloan School of Management, Massachusetts Institute of Technology, 1994