SpringerLink (Online service), Mitchell, C., & Capitani di Vimercati, S. (2013). Public key infrastructures, services and applications: 9th European Workshop, EuroPKI 2012, Pisa, Italy, September 13-14, 2012, Revised Selected Papers. Springer Berlin Heidelberg.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)SpringerLink (Online service), Chris Mitchell, và Sabrina Capitani di Vimercati. Public Key Infrastructures, Services and Applications: 9th European Workshop, EuroPKI 2012, Pisa, Italy, September 13-14, 2012, Revised Selected Papers. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)SpringerLink (Online service), et al. Public Key Infrastructures, Services and Applications: 9th European Workshop, EuroPKI 2012, Pisa, Italy, September 13-14, 2012, Revised Selected Papers. Springer Berlin Heidelberg, 2013.