IFIP International Working Conference on Information System Concepts University of Leiden, Falkenberg, E. D., Lyytinen, K., & Verrijn Stuart, A. A. (2000). Information system concepts: An integrated discipline emerging : IFIP TC8/WG8.1 International Conference on Information System Concepts : an integrated discipline emerging (ISCO-4) : September 20-22, 1999, University of leiden, The Netherlands. Kluwer.
Παραπομπή σε μορφή Chicago (17η εκδ.)IFIP International Working Conference on Information System Concepts University of Leiden, Eckhard D. Falkenberg, Kalle Lyytinen, και A. A. Verrijn Stuart. Information System Concepts: An Integrated Discipline Emerging : IFIP TC8/WG8.1 International Conference on Information System Concepts : An Integrated Discipline Emerging (ISCO-4) : September 20-22, 1999, University of Leiden, The Netherlands. Boston: Kluwer, 2000.
Παραπομπή σε μορφή MLA (9th εκδ.)IFIP International Working Conference on Information System Concepts University of Leiden, et al. Information System Concepts: An Integrated Discipline Emerging : IFIP TC8/WG8.1 International Conference on Information System Concepts : An Integrated Discipline Emerging (ISCO-4) : September 20-22, 1999, University of Leiden, The Netherlands. Kluwer, 2000.