This article incorporates text from this source, which is in the public domain: Shinn, David H. (2015). "Radio, Television, and Internet"(PDF). In Berry, LaVerle (ed.). Sudan: a country study (5th ed.). Washington, D.C.: Federal Research Division, Library of Congress. p. 275. ISBN978-0-8444-0750-0. Though published in 2015, this work covers events in the whole of Sudan (including present-day South Sudan) until the 2011 secession of South Sudan.
"Sudan", Country Reports on Human Rights Practices for 2012, Bureau of Democracy, Human Rights and Labor, U.S. Department of State, 2 April 2013. Retrieved 4 January 2014.