SpringerLink (Online service), Jarke, M., & Oberweis, A. (1999). Advanced Information Systems Engineering: 11th International Conference, CAiSE'99, Heidelberg, Germany, June 14-18, 1999, Proceedings (1st ed. 1999.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-48738-7
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Matthias Jarke, και Andreas Oberweis. Advanced Information Systems Engineering: 11th International Conference, CAiSE'99, Heidelberg, Germany, June 14-18, 1999, Proceedings. 1st ed. 1999. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1999. https://doi.org/10.1007/3-540-48738-7.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Advanced Information Systems Engineering: 11th International Conference, CAiSE'99, Heidelberg, Germany, June 14-18, 1999, Proceedings. 1st ed. 1999. Springer Berlin Heidelberg : Imprint: Springer, 1999. https://doi.org/10.1007/3-540-48738-7.
