^ a b Presidential Job Approval Center Gallup.com ^ Newport, Frank (April 11, 2008). "Bush Job Approval at 28%, Lowest of His Administration" . Gallup . http://www.gallup.com/poll/106426/bush-job-approval-28-lowest-administration.aspx . Retrieved July 22, 2009 .   ^ "National Job Approval: President George W. Bush" . Pollster.com . http://www.pollster.com/polls/us/jobapproval-bush.php . Retrieved 2010-06-13 .