SpringerLink (Online service), Moniz Pereira, L., & Przymusinski, T. C. (1998). Logic Programming and Knowledge Representation: Third International Workshop, LPKR'97, Port Jefferson, New York, USA, October 17, 1997, Selected Papers (1st ed. 1998.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/BFb0054787
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Luis Moniz Pereira, και Teodor C. Przymusinski. Logic Programming and Knowledge Representation: Third International Workshop, LPKR'97, Port Jefferson, New York, USA, October 17, 1997, Selected Papers. 1st ed. 1998. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1998. https://doi.org/10.1007/BFb0054787.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Logic Programming and Knowledge Representation: Third International Workshop, LPKR'97, Port Jefferson, New York, USA, October 17, 1997, Selected Papers. 1st ed. 1998. Springer Berlin Heidelberg : Imprint: Springer, 1998. https://doi.org/10.1007/BFb0054787.
