SpringerLink (Online service), Aalberg, T., Papatheodorou, C., Dobreva, M., Tsakonas, G., & Farrugia, C. J. (2013). Research and Advanced Technology for Digital Libraries: International Conference on Theory and Practice of Digital Libraries, TPDL 2013, Valletta, Malta, September 22-26, 2013. Proceedings. Springer Berlin Heidelberg : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Trond Aalberg, Christos Papatheodorou, Milena Dobreva, Giannis Tsakonas, και Charles J. Farrugia. Research and Advanced Technology for Digital Libraries: International Conference on Theory and Practice of Digital Libraries, TPDL 2013, Valletta, Malta, September 22-26, 2013. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2013.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Research and Advanced Technology for Digital Libraries: International Conference on Theory and Practice of Digital Libraries, TPDL 2013, Valletta, Malta, September 22-26, 2013. Proceedings. Springer Berlin Heidelberg : Imprint: Springer, 2013.
