1. Abdullahi, Mohamed Diriye. Culture and Customs of Somalia. Westport: Greenwood Press, 2001.
2. Abegunrin, Olayiwola. Nigerian Foreign Policy Under Military Rule, 1966–1999. Westport: Praeger, 2003.
3. Achebe, Chinua. There was a Country: A Personal History of Biafra. New York: Penguin Press, 2012.
4. Akuchu, Gemuh E. “Peaceful Settlement of Disputes: Unsolved Problem for the OAU (A Case Study of the Nigeria-Biafra Conflict).” Africa Today, Vol. 24, No. 4 (October–December, 1977): 39–58. https://www.jstor.org/stable/4185729.
5. Alperen, Martin. Foundations of Homeland Security: Law and Policy. Hoboken: Wiley & Sons, 2017.