JOHNSEN, E. John Peter McNerney, Installing and Using an Automatic Data Processing System, Division of Research Harvard University Graduate School of Business Administration, Boston, 1961, 314 s., Dollars 3.00. Ledelse og Erhvervsøkonomi, [S. l.], v. 28, 1964. Disponível em: https://tidsskrift.dk/ledelseogerhvervsoekonomi/article/view/34204. Acesso em: 5 jan. 2025.