IFIP WG 8.1 Working Conference on Theoretical and Formal Aspects of Information Systems Sitges, Spain, IFIP WG 8.1, Sernadas, A., Bubenko, J., & Olivé, A. (1985). Information systems: Theoretical and formal aspects : proceedings of the IFIP WG 8.1 Working Conference on Theoretical and Formal Aspects of Information Systems, Sitges, Barcelona, Spain, 16-18 April 1985. North-Holland ; Sole distributor for the U.S.A. and Canada, Elsevier Science Pub..
Παραπομπή σε μορφή Chicago (17η εκδ.)IFIP WG 8.1 Working Conference on Theoretical and Formal Aspects of Information Systems Sitges, Spain, IFIP WG 8.1, A. Sernadas, Janis Bubenko, και A. Olivé. Information Systems: Theoretical and Formal Aspects : Proceedings of the IFIP WG 8.1 Working Conference on Theoretical and Formal Aspects of Information Systems, Sitges, Barcelona, Spain, 16-18 April 1985. Amsterdam ; New York : New York, N.Y.: North-Holland ; Sole distributor for the U.S.A. and Canada, Elsevier Science Pub., 1985.
Παραπομπή σε μορφή MLA (9th εκδ.)IFIP WG 8.1 Working Conference on Theoretical and Formal Aspects of Information Systems Sitges, Spain, et al. Information Systems: Theoretical and Formal Aspects : Proceedings of the IFIP WG 8.1 Working Conference on Theoretical and Formal Aspects of Information Systems, Sitges, Barcelona, Spain, 16-18 April 1985. North-Holland ; Sole distributor for the U.S.A. and Canada, Elsevier Science Pub., 1985.