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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, Portugal, October 5-7, 2011, Proceedings, Part II. 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, Portugal, October 5-7, 2011, Proceedings, Part II. Springer Berlin Heidelberg : Imprint: Springer, 2011.
