↑Haroro Ingram; Craig Whiteside; Charlie Winter (March 2020). "The Declaration of the Islamic State in Iraq and Sham". The ISIS Reader: Milestone Texts of the Islamic State Movement. Oxford University Press. pp. 149–160. doi:10.1093/oso/9780197501436.003.0007. ISBN978-0-19-750143-6.
↑Zelin, Aaron Y. (June 2014). The War between ISIS and al-Qaeda for Supremacy of the Global Jihadist Movement(PDF). Research Notes (Report). Vol. 20. The Washington Institute for Near East Policy. Archived from the original(PDF) on 20 February 2015. Retrieved 9 February 2023. On October 15, a statement titled “Announcing the Establishment of the Islamic State of Iraq” was released by Muharib al-Juburi, ISI’s new information minister. And on November 10, AQI’s replacement for Zarqawi, Abu Hamza al-Muhajir, pledged baya to the newly appointed leader of ISI, Abu Omar al-Baghdadi. … Zarqawi’s death invalidated MSM’s implied pledge to bin Ladin. This means that, in effect, the group and its subsequent incarnations have not technically been subordinate to al-Qaeda in eight years.