SpringerLink (Online service), Dix, J., & Hegner, S. J. (2006). Foundations of Information and Knowledge Systems: 4th International Symposium, FoIKS 2006, Budapest, Hungary, Februrary 14-17, 2006. Proceedings. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Jürgen Dix, και Stephen J. Hegner. Foundations of Information and Knowledge Systems: 4th International Symposium, FoIKS 2006, Budapest, Hungary, Februrary 14-17, 2006. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Foundations of Information and Knowledge Systems: 4th International Symposium, FoIKS 2006, Budapest, Hungary, Februrary 14-17, 2006. Proceedings. Springer Berlin Heidelberg, 2006.
