SpringerLink (Online service), Spyropoulos, T., & Hummel, K. A. (2009). Self-Organizing Systems: 4th IFIP TC 6 International Workshop, IWSOS 2009, Zurich, Switzerland, December 9-11, 2009. Proceedings. Springer Berlin Heidelberg : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Thrasyvoulos Spyropoulos, και Karin Anna Hummel. Self-Organizing Systems: 4th IFIP TC 6 International Workshop, IWSOS 2009, Zurich, Switzerland, December 9-11, 2009. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Self-Organizing Systems: 4th IFIP TC 6 International Workshop, IWSOS 2009, Zurich, Switzerland, December 9-11, 2009. Proceedings. Springer Berlin Heidelberg : Imprint: Springer, 2009.