1. Elisa Bertino, Kenji Takahashi. Identity Management: Concepts, Technologies and systems. 685 Canton StreetNorwood,MA02062,ArtechHouse,2011;55-9,77-9,86-7,98-100,119. http://books.google.co.in/books?id=UrmDGxt- 8IC&printsec=frontcover#v=onepage&q&f=false.
2. Colin Robbins, Edward Hamilton. Successfully deploying Single Sign-On (SSO) within an outsourced Environment. http://www.insight.co.uk/files/whitepapers/Single Sign on (White paper).pdf.
3. Jan De Clercq, Security Consultant HPCI Technology Leadership Group Hewlett-Packard. Single Sign-On Architectures. http://www.esat.kuleuven.be/cosic/seminars/slides/SSO.pdf.
4. Web Single Sign-On System for WRL Company. Si Xiong, Department of Internetworking, Royal Institute of Technology (KTH), Sweden; 2005; http://web.it.kth.se/∼johanmon/theses/xiong.pdf.
5. Two SSO Architectures with a Single Set of Credentials. http://www.cs.auckland.ac.nz/courses/compsci72 5s2c/archive/termpapers/zlu.pdf.