Hamilton, Rebecca "Awaiting Independence Vote, Southern Sudan Has High Hopes", Washington Post, 28 November 2010, via Pulitzer Center on Crisis Reporting.
בדיקה אחרונה ב-15 ביולי 2011.  Hamilton, Rebecca "Awaiting Independence Vote, Southern Sudan Has High Hopes", Washington Post, 28 November 2010, via Pulitzer Center on Crisis Reporting.