Sources

http://www.csharpfriends.com/Articles/getArticle.aspx?articleID=16 (C# Syntax Reference Card)
http://genamics.com/developer/csharp_comparative.htm (Comparative Overview of C#)
http://www.softsteel.co.uk/tutorials/cSharp/lesson2.html (C# Tutorial)
http://www.csharpfriends.com/Spec/index.aspx?specID=toc.htm (C# Language Specification)