Internet Archive: History of the Balkans. Cambridge ; New York : Cambridge University Press, 1983. ISBN 978-0-521-25249-2, 978-0-521-27458-6, 978-0-521-25448-9, 978-0-521-27459-3. Teoksen verkkoversio (viitattu 27.5.2023).
Internet Archive: The Congo from Leopold to Kabila : a people's history. London ; New York : Zed Books ; New York : Distributed in the USA exclusively by Palgrave, 2002. ISBN 978-1-84277-052-8, 978-1-84277-053-5. Teoksen verkkoversio (viitattu 27.5.2023).
Internet Archive: Cuba : the international dimension. New Brunswick (U.S.A.) : Transaction Publishers, 1990. ISBN 978-0-88738-324-3. Teoksen verkkoversio (viitattu 29.5.2023).
Internet Archive: That infernal little Cuban republic : the United States and the Cuban Revolution. Chapel Hill : University of North Carolina Press, 2009. ISBN 978-0-8078-3260-8. Teoksen verkkoversio (viitattu 29.5.2023).
Diego Abente: Constraints and Opportunities: Prospects for Democratization in Paraguay. Journal of Interamerican Studies and World Affairs, 1988, 30. vsk, nro 1, s. 73–104. doi:10.2307/165790. ISSN 0022-1937. Artikkelin verkkoversio.
Chester Neal Tate: Governments of the World: A Global Guide to Citizens' Rights and Responsibilities. Macmillan Reference USA/Thomson Gale, 2006. ISBN 978-0-02-865815-5. Teoksen verkkoversio (viitattu 24.5.2023). en
John W. Garver: China's Quest: The History of the Foreign Relations of the People's Republic of China. Oxford University Press, 2015-12-01. ISBN 978-0-19-026106-1. Teoksen verkkoversio (viitattu 27.5.2023). en
Timothy Norman Harper: The End of Empire and the Making of Malaya. Cambridge University Press, 1999-09-02. ISBN 978-0-521-59040-2. Teoksen verkkoversio (viitattu 27.5.2023). en
Major James M. Kimbrough IV: Disengaging From Insurgencies: Insights From History And Implications For Afghanistan. Pickle Partners Publishing, 2015-11-06. ISBN 978-1-78625-345-3. Teoksen verkkoversio (viitattu 27.5.2023). en
Ruud van Dijk, William Glenn Gray, Svetlana Savranskaya, Jeremi Suri, Qiang Zhai: Encyclopedia of the Cold War. Routledge, 2013-05-13. ISBN 978-1-135-92311-2. Teoksen verkkoversio (viitattu 29.5.2023). en
Larry P. Goodson: Afghanistan's Endless War: State Failure, Regional Politics, and the Rise of the Taliban. University of Washington Press, 2001. ISBN 978-0-295-98050-8. Teoksen verkkoversio (viitattu 29.5.2023). en
Lena Jonson: Tajikistan in the New Central Asia: Geopolitics, Great Power Rivalry and Radical Islam. Bloomsbury Academic, 2006-08-25. ISBN 978-1-84511-293-6. Teoksen verkkoversio (viitattu 29.5.2023). en
Diego Abente: Constraints and Opportunities: Prospects for Democratization in Paraguay. Journal of Interamerican Studies and World Affairs, 1988, 30. vsk, nro 1, s. 73–104. doi:10.2307/165790. ISSN 0022-1937. Artikkelin verkkoversio.
Diego Abente: Constraints and Opportunities: Prospects for Democratization in Paraguay. Journal of Interamerican Studies and World Affairs, 1988, 30. vsk, nro 1, s. 73–104. doi:10.2307/165790. ISSN 0022-1937. Artikkelin verkkoversio.