1. Abbink, Jon, Adetula Victor, Mehler Andreas, Melber Henning ed. Africa Yearbook: Politics, Economy and Society South of the Sahara in 2017. Leiden/Boston: Brill, 2018.
2. AfDB. “Economic Community of Central African States (ECCAS) Regional Integration Assistance Strategy Paper for Central Africa 2005-2009”. https://www.dailymaverick.co.za/article/2014-05-12-strength-in-unity-and-vice-versa-central-africas-integration-problem/#gsc.tab=0.
3. AfDB. Gabon Joint 2016-2020 Country Strategy Paper and Country Portfolio Performance Review Report (March 2016).
4. African Union, Communiqué of the Teleconference Meeting of the Bureau of the Assembly of the African Union (AU) Heads of State and Government with Chairpersons of Regional Economic Communities (RECs) of the African Union on August 20, 2020.
5. Allison, Simon. “Strength in unity, and vice versa: Central Africa's integration problem"Daily Maverick (May 12, 2014).