SpringerLink (Online service), Liddle, S. W., Mayr, H. C., & Thalheim, B. (2000). Conceptual Modeling for E-Business and the Web: ER 2000 Workshops on Conceptual Modeling Approaches for E-Business and the World Wide Web and Conceptual Modeling, Salt Lake City, Utah, USA, October 9-12, 2000 Proceedings (1st ed. 2000.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-45394-6
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Stephen W. Liddle, Heinrich C. Mayr, και Bernhard Thalheim. Conceptual Modeling for E-Business and the Web: ER 2000 Workshops on Conceptual Modeling Approaches for E-Business and the World Wide Web and Conceptual Modeling, Salt Lake City, Utah, USA, October 9-12, 2000 Proceedings. 1st ed. 2000. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2000. https://doi.org/10.1007/3-540-45394-6.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Conceptual Modeling for E-Business and the Web: ER 2000 Workshops on Conceptual Modeling Approaches for E-Business and the World Wide Web and Conceptual Modeling, Salt Lake City, Utah, USA, October 9-12, 2000 Proceedings. 1st ed. 2000. Springer Berlin Heidelberg : Imprint: Springer, 2000. https://doi.org/10.1007/3-540-45394-6.
