SpringerLink (Online service), Abowd, G. D., Brumitt, B., & Shafer, S. (2001). Ubicomp 2001: Ubiquitous Computing: International Conference Atlanta, Georgia, USA, September 30 - October 2, 2001 Proceedings (1st ed. 2001.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-45427-6
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Gregory D. Abowd, Barry Brumitt, και Steven Shafer. Ubicomp 2001: Ubiquitous Computing: International Conference Atlanta, Georgia, USA, September 30 - October 2, 2001 Proceedings. 1st ed. 2001. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2001. https://doi.org/10.1007/3-540-45427-6.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Ubicomp 2001: Ubiquitous Computing: International Conference Atlanta, Georgia, USA, September 30 - October 2, 2001 Proceedings. 1st ed. 2001. Springer Berlin Heidelberg : Imprint: Springer, 2001. https://doi.org/10.1007/3-540-45427-6.
