When you delete references from your account, they are automatically moved to the Deleted References folder. References in the Deleted References folder will be automatically and permanently deleted after 30 days.
You can un-deleted references to your RefWorks account. Any un-deleted references will be restored with any folder information, attachments and RefShare comments.
To Un-delete References:
Select View, Folder, Deleted References from the toolbar.
Mark the references to be un-deleted.
Click the Restore button.
Your references are returned in their original state to their original location in your database.