European Network and Information Security Agency., Publications Office of the European Union., & European Commission. (2012). General report 2011: Securing Europe's information society. Luxembourg: Publications Office of the European Union.
Παραπομπή Chicago StyleEuropean Network and Information Security Agency., Publications Office of the European Union, and European Commission. General Report 2011: Securing Europe's Information Society. Luxembourg: Publications Office of the European Union, 2012.
Παραπομπή MLAEuropean Network and Information Security Agency., Publications Office of the European Union, and European Commission. General Report 2011: Securing Europe's Information Society. Luxembourg: Publications Office of the European Union, 2012.