| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Superpower Diplomacy in the Horn of Africa Since 1974 | 978-0-7099-4662-5 | 1987 | |
| The African Union | 978-1-138-79040-7 | 2015 | |
| The African Union: Addressing the challenges of peace, security, and governance | 978-1-138-79039-1 | 2015 | F. Wafula Okumu · David Mickler |
| The African Union: Challenges of globalization, security, and governance | 978-0-415-40349-8 | 2007 | |