George Klay Kieh: Beyond State Failure and Collapse: Making the State Relevant in Africa. Lexington Books, 2007, ISBN 978-0-7391-0892-5 (google.com [abgerufen am 3. September 2023]).
Taylor & Francis Group: Europa World Year. Taylor & Francis, 2004, ISBN 978-1-85743-254-1 (google.com [abgerufen am 3. September 2023]).
Europa Publications: Africa South of the Sahara 2004. Psychology Press, 2003, ISBN 978-1-85743-183-4 (google.com [abgerufen am 3. September 2023]).
Mark Palmer: Breaking the Real Axis of Evil: How to Oust the World's Last Dictators by 2025. Rowman & Littlefield, 2005, ISBN 978-0-7425-3255-7 (google.com [abgerufen am 3. September 2023]).
Sheila Rule, Special To the New York Times: Burundi Leader Attempts East-West Balance. In: The New York Times. 24. September 1987, ISSN0362-4331 (nytimes.com [abgerufen am 3. September 2023]).
Sheila Rule, Special To the New York Times: New Burundi Leader Vows to Lift Curbs on Church. In: The New York Times. 27. September 1987, ISSN0362-4331 (nytimes.com [abgerufen am 3. September 2023]).
zdb-katalog.de
Sheila Rule, Special To the New York Times: Burundi Leader Attempts East-West Balance. In: The New York Times. 24. September 1987, ISSN0362-4331 (nytimes.com [abgerufen am 3. September 2023]).
Sheila Rule, Special To the New York Times: New Burundi Leader Vows to Lift Curbs on Church. In: The New York Times. 27. September 1987, ISSN0362-4331 (nytimes.com [abgerufen am 3. September 2023]).