President Bush Meets with President Yar’Adua of the Federal Republic of Nigeria http://georgewbush-whitehouse.archives.gov/news/releases/2007/12/20071213-1.html,
Umaru Yar'Adua Quotes
Winner of Disputed Nigerian Presidential Election Denies Fraud http://web.archive.org/web/20070527110842/http://www.voanews.com/english/2007-04-23-voa59.cfm (April 23 2007)