1. Beck, K.: Extreme Programming Explained: Embrace Change. Addison-Wesley, Reading (1999)
2. Jeffries, R.: What is XP?,
http://xprogramming.com/xpmag/acsFirstAcceptanceTest.htm
3. Fowler, M.: Specification by Example
4. http://www.martinfowler.com/bliki/SpecificationByExample.html
5. Kaner, C.: Cem Kaner on Scenario Testing: The Power of ‘What-If’ and Nine Ways to Fuel Your Imagination. Better Software 5(5), 16–22 (2003)