SpringerLink (Online service), Lifschitz, V., & Niemelä, I. (2004). Logic Programming and Nonmonotonic Reasoning: 7th International Conference, LPNMR 2004 Fort Lauderdale, FL, USA, January 6-8, 2004 Proceedings. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Vladimir Lifschitz, και Ilkka Niemelä. Logic Programming and Nonmonotonic Reasoning: 7th International Conference, LPNMR 2004 Fort Lauderdale, FL, USA, January 6-8, 2004 Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Logic Programming and Nonmonotonic Reasoning: 7th International Conference, LPNMR 2004 Fort Lauderdale, FL, USA, January 6-8, 2004 Proceedings. Springer Berlin Heidelberg, 2004.
