SharePoint tips - how to quickly get field's internal name from a listform

If you need to quickly get field internal name or type from UI, you can get it from any list form - new\edit\view. You must select html <td> element, that contains specified field value, and in html comments you can see field's display name, internal name, and field type. As on screenshot below, I use Firebug in Firefox:

Or Web Developer tools in IE: