SpringerLink (Online service), Antunes, L., & Pinto, H. S. (2011). Progress in Artificial Intelligence: 15th Portuguese Conference on Artificial Intelligence, EPIA 2011, Lisbon, Portugal, October 10-13, 2011. Proceedings. Springer Berlin Heidelberg : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Luis Antunes, και H. Sofia Pinto. Progress in Artificial Intelligence: 15th Portuguese Conference on Artificial Intelligence, EPIA 2011, Lisbon, Portugal, October 10-13, 2011. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2011.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Progress in Artificial Intelligence: 15th Portuguese Conference on Artificial Intelligence, EPIA 2011, Lisbon, Portugal, October 10-13, 2011. Proceedings. Springer Berlin Heidelberg : Imprint: Springer, 2011.
