SpringerLink (Online service), Iurgel, I. A., Zagalo, N., & Petta, P. (2009). Interactive Storytelling: Second Joint International Conference on Interactive Digital Storytelling, ICIDS 2009, Guimarães, Portugal, December 9-11, 2009. Proceedings. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Ido A. Iurgel, Nelson Zagalo, και Paolo Petta. Interactive Storytelling: Second Joint International Conference on Interactive Digital Storytelling, ICIDS 2009, Guimarães, Portugal, December 9-11, 2009. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Interactive Storytelling: Second Joint International Conference on Interactive Digital Storytelling, ICIDS 2009, Guimarães, Portugal, December 9-11, 2009. Proceedings. Springer Berlin Heidelberg, 2009.
