Jerusalem Post: "Braun and Brains Behind Bieber" by David Brinn and Amy Spiro May 14, 2013 Halperin, Shirley (November 22, 2010).
2013년 6월 27일에 확인함.  Jerusalem Post: "Braun and Brains Behind Bieber" by David Brinn and Amy Spiro May 14, 2013 Halperin, Shirley (2010년 11월 22일).