Current resources and references published on the web page of course.
- .NET Framework, https://www.microsoft.com/net/default.aspx
- MCTS Self-Paced Training Kit (Exam 70-536): Microsoft® .NET Framework 2.0 Foundation , Tony Northrup and Shawn Wildermuth, with Bill Ryan of GrandMasters, ISBN 13 : 9780735622777
- Joseph Albahari, Ben Albahari: C# 3.0 in a Nutshell, Third Edition: A Desktop Quick Reference, https://msdn.microsoft.com/en-us/library/orm-9780596527570-03.aspx