SpringerLink (Online service), Costa, E., & Cardoso, A. (1997). Progress in Artificial Intelligence: 8th Portuguese Conference on Artificial Intelligence, EPIA '97, Coimbra, Portugal, October 6-9, 1997. Proceedings (1st ed. 1997.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/BFb0023905
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Ernesto Costa, και Amilcar Cardoso. Progress in Artificial Intelligence: 8th Portuguese Conference on Artificial Intelligence, EPIA '97, Coimbra, Portugal, October 6-9, 1997. Proceedings. 1st ed. 1997. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1997. https://doi.org/10.1007/BFb0023905.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Progress in Artificial Intelligence: 8th Portuguese Conference on Artificial Intelligence, EPIA '97, Coimbra, Portugal, October 6-9, 1997. Proceedings. 1st ed. 1997. Springer Berlin Heidelberg : Imprint: Springer, 1997. https://doi.org/10.1007/BFb0023905.
