SpringerLink (Online service), Brewka, G., Habel, C., & Nebel, B. (1997). KI-97: Advances in Artificial Intelligence: 21st Annual German Conference on Artificial Intelligence, Freiburg, Germany, September 9-12, 1997, Proceedings (1st ed. 1997.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-63493-2
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Gerhard Brewka, Christopher Habel, και Bernhard Nebel. KI-97: Advances in Artificial Intelligence: 21st Annual German Conference on Artificial Intelligence, Freiburg, Germany, September 9-12, 1997, Proceedings. 1st ed. 1997. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1997. https://doi.org/10.1007/3-540-63493-2.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. KI-97: Advances in Artificial Intelligence: 21st Annual German Conference on Artificial Intelligence, Freiburg, Germany, September 9-12, 1997, Proceedings. 1st ed. 1997. Springer Berlin Heidelberg : Imprint: Springer, 1997. https://doi.org/10.1007/3-540-63493-2.
