Integrating the computer with your business : accounting for computer charges / James Porter & Jonathan Chapple ; edited by R.B. Yearsley. Porter, James. Chapple, Jonathan, joint author. Yearsley, Ronald. Electronic data processing departments Costs. Electronic data processing departments Accounting. 658.1552 POI includes index. New York : Wiley, c1980. c1980. 1980 Text 308 p. : eng