SpringerLink (Online service), Martinelli, F., & Preneel, B. (2010). Public Key Infrastructures, Services and Applications: 6th European Workshop, EuroPKI 2009, Pisa, Italy, September 10-11, 2009, Revised Selected Papers. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Fabio Martinelli, και Bart Preneel. Public Key Infrastructures, Services and Applications: 6th European Workshop, EuroPKI 2009, Pisa, Italy, September 10-11, 2009, Revised Selected Papers. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Public Key Infrastructures, Services and Applications: 6th European Workshop, EuroPKI 2009, Pisa, Italy, September 10-11, 2009, Revised Selected Papers. Springer Berlin Heidelberg, 2010.
