SpringerLink (Online service), Azema, P., & Balbo, G. (1997). Application and Theory of Petri Nets 1997: 18th International Conference, ICATPN'97, Toulouse, France, June 23-27, 1997, Proceedings (1st ed. 1997.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-63139-9
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Pierre Azema, και Gianfranco Balbo. Application and Theory of Petri Nets 1997: 18th International Conference, ICATPN'97, Toulouse, France, June 23-27, 1997, Proceedings. 1st ed. 1997. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1997. https://doi.org/10.1007/3-540-63139-9.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Application and Theory of Petri Nets 1997: 18th International Conference, ICATPN'97, Toulouse, France, June 23-27, 1997, Proceedings. 1st ed. 1997. Springer Berlin Heidelberg : Imprint: Springer, 1997. https://doi.org/10.1007/3-540-63139-9.