(1) Newsweek, 16 February 2009, Time, 2 February 2009; The Washington Post National Weekly Edition, 27 October 2008.
(1) Адпаведна, Newsweek, Нью-Ёрк, 16 лютага 2009; Time, Нью-Ёрк, 2 лютага 2009; The Washington Post National Weekly Edition, 27 кастрычніка 2008.