1. “A rch it e c t u ra l S t yles and the Design of Network‐Based Software Architectures,” Roy Fielding,
2000. Chapter 5: www.ics.ucl.edu/~fielding/pubs/dissertation/rest_arch_style.htm .
2. Leonard Richardson explained the model of RESTful maturity during a QCon talk in 2008.
3. The HTTP/1.1 RFC standard dei nes the following methods: OPTIONS , GET , HEAD , POST , PUT ,
DELETE , TRACE , and CONNECT .
4. Martin Fowler provides a good overview on his website: www.martinfowler.com/article/