SpringerLink (Online service), Cruz-Cunha, M. M., Varajão, J., Powell, P., & Martinho, R. (2011). ENTERprise Information Systems: International Conference, CENTERIS 2011, Vilamoura, Algarve, Portugal, October 5-7, 2011, Proceedings, Part I. Springer Berlin Heidelberg : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Maria Manuela Cruz-Cunha, João Varajão, Philip Powell, και Ricardo Martinho. ENTERprise Information Systems: International Conference, CENTERIS 2011, Vilamoura, Algarve, Portugal, October 5-7, 2011, Proceedings, Part I. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2011.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. ENTERprise Information Systems: International Conference, CENTERIS 2011, Vilamoura, Algarve, Portugal, October 5-7, 2011, Proceedings, Part I. Springer Berlin Heidelberg : Imprint: Springer, 2011.
