SpringerLink (Online service), Abreu, S., & Seipel, D. (2011). Applications of Declarative Programming and Knowledge Management: 18th International Conference, INAP 2009, Évora, Portugal, November 3-5, 2009, Revised Selected Papers. Springer Berlin Heidelberg : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Salvador Abreu, και Dietmar Seipel. Applications of Declarative Programming and Knowledge Management: 18th International Conference, INAP 2009, Évora, Portugal, November 3-5, 2009, Revised Selected Papers. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2011.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Applications of Declarative Programming and Knowledge Management: 18th International Conference, INAP 2009, Évora, Portugal, November 3-5, 2009, Revised Selected Papers. Springer Berlin Heidelberg : Imprint: Springer, 2011.
