SpringerLink (Online service), Constantopoulos, P., & Solvberg, I. T. (2001). Research and Advanced Technology for Digital Libraries: 5th European Conference, ECDL 2001, Darmstadt, Germany, September 4-9, 2001. Proceedings (1st ed. 2001.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-44796-2
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Panos Constantopoulos, και Ingeborg T. Solvberg. Research and Advanced Technology for Digital Libraries: 5th European Conference, ECDL 2001, Darmstadt, Germany, September 4-9, 2001. Proceedings. 1st ed. 2001. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2001. https://doi.org/10.1007/3-540-44796-2.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Research and Advanced Technology for Digital Libraries: 5th European Conference, ECDL 2001, Darmstadt, Germany, September 4-9, 2001. Proceedings. 1st ed. 2001. Springer Berlin Heidelberg : Imprint: Springer, 2001. https://doi.org/10.1007/3-540-44796-2.
