SpringerLink (Online service), Spaccapietra, S., March, S., & Kambayashi, Y. (2003). Conceptual Modeling - ER 2002: 21st International Conference on Conceptual Modeling Tampere, Finland, October 7-11, 2002 Proceedings (1st ed. 2003.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-45816-6
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Stefano Spaccapietra, Salvatore March, και Yahiko Kambayashi. Conceptual Modeling - ER 2002: 21st International Conference on Conceptual Modeling Tampere, Finland, October 7-11, 2002 Proceedings. 1st ed. 2003. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2003. https://doi.org/10.1007/3-540-45816-6.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Conceptual Modeling - ER 2002: 21st International Conference on Conceptual Modeling Tampere, Finland, October 7-11, 2002 Proceedings. 1st ed. 2003. Springer Berlin Heidelberg : Imprint: Springer, 2003. https://doi.org/10.1007/3-540-45816-6.
