The type or namespace name 'SQLite' does not exist in the namespace 'System.Data'

I am new with C#. I am using Visual Studio 13, my problem is that it's throwing me this error:

The type or namespace name 'SQLite' does not exist in the namespace 'System.Data' (are you missing an assembly reference?)

Yes, i add references from here http://ift.tt/1p6GLAv and i follow the tutorial from here : http://ift.tt/1ALEa2h

heres my code :

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data.SQLite;

namespace PercobaanDulu
{
    public partial class Form1 : Form
    {
        string connString;
        public Form1()
        {
            InitializeComponent();

            connString = @" Data Source = C:\Users\Febry Fairuz\Desktop\dbDemoLagi.db; Version = 3";
        }

        private void btnConnect_Click(object sender, EventArgs e)
        {
           using (SQLiteConnection con = new SQLiteConnection(connString)) {
                try { 
                    con.Open();
                    if(con.State == ConnectionState.Open){
                        MessageBox.Show("Koneksi berhasil dengan SQLite");
                    }
                }catch(Exception ex){
                    MessageBox.Show(ex.Message);
                }
            } 
        }
    }
}

Can you help me ?