Starting new project

I am doing the Sitecore 8.2 developer course, I created a new project in Visual Studio, after I added the Sitecore references (Sitecore.Kernell, Sitecore.MVC and Sitecore.MVC.Analytics).

But when I created a new view (Main.cshtml) I had two erros:

1.  Cannot load the file or assemby "System.Web.MVC" Version used by Sitecore.MVC, the problems is that my project has "System.Web.MVC" version, If I try changing the dll version to, appairing more erros related with System.Web.MVC dependencies.

 <add assembly="System.Web.Mvc, Version=, Culture=neutral,PublicKeyToken=31BF3856AD364E35" />


Who can help me with this?