将非GAC引用添加到项目中

Every time I add a reference to a web project in visual studio 2008 that is in my GAC, it adds the reference as a GAC reference and doesn't copy the file to my bin directory. But for deployment purposes, I would like to add the reference as a non-GAC reference so it adds the dll to my bin directory. I've tried using the browse button to select the reference instead of picking from the list window, but that adds a GAC reference too.Every time I add a reference to a web project i