Bibliografia
[1] DOS SANTOS, Alfredo Luiz. Gerenciamento de Identidades, 2007
[2] REED, Archie. The Definitive Guide to Identity Management, 2004, Realtime publishers.
[3] BERTINO,Elisa and TAKAHASHI, Kenji. "Identity Management - Concepts, Technologies, and Systems", 2011, Artech House
[4] MYLLYNIEMI, Annu. "Identity Management Systems - A Comparison of Current Solutions", TKK T-110.5290 Seminar on Network Security, 2006
[5] http://pt.scribd.com/doc/58484404/Gerencia-de-Identidade-na-Internet-do-Futuro,Minicurso 4, MC4: Gerência de Identidade na Internet do Futuro, XXIX Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos (SBRC 2011).
[6] Andy Powell, David Recordon. "OpenID: Decentralised Single Sign-on for the Web". April 2007, Ariadne Issue 51http://www.ariadne.ac.uk/issue51/powell-recordon/