SpringerLink (Online service), Petkova-Nikova, S., Pashalidis, A., & Pernul, G. (2012). Public Key Infrastructures, Services and Applications: 8th European Workshop, EuroPKI 2011, Leuven, Belgium, September 15-16, 2011, Revised Selected Papers. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Svetla Petkova-Nikova, Andreas Pashalidis, και Günther Pernul. Public Key Infrastructures, Services and Applications: 8th European Workshop, EuroPKI 2011, Leuven, Belgium, September 15-16, 2011, Revised Selected Papers. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Public Key Infrastructures, Services and Applications: 8th European Workshop, EuroPKI 2011, Leuven, Belgium, September 15-16, 2011, Revised Selected Papers. Springer Berlin Heidelberg, 2012.
