1. Hunnebeck, L., Rudd, C., Lacy, S., Hanna, A.: ITIL V3.0 - Service Design, 2nd edn. TSO (The Stationery Office), London (2011)
2. Beck, K., Beedle, M., Bennekum, A.V., Cockburn, A., Cunningham, W., Fowler, M., Grenning, J., Highsmith, J., Hunt, A., Jeffries, R., et al.: Manifesto for agile software development (2001). http://www.agilemanifesto.org/
3. Conboy, K.: Agility from first principles: reconstructing the concept of agility in information systems development. Inf. Syst. Res. 20(3), 329–354 (2009)
4. Beck, K., Andres, C.: Extreme Programming Explained: Embrace Change, 2nd edn. Addison-Wesley, Boston (2004)
5. Schwaber, K., Sutherland, J.: The SCRUM Guide. http://www.scrumguides.org/docs/scrumguide/v1/scrum-guide-us.pdf