ECMA Standards for C#

As all compilers are written based on a standard, the C# ECMA standard is also found at,
http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-334.pdf

http://www.ecma-international.org/publications/standards/Ecma-334.htm

http://msdn.microsoft.com/net/ECMA/