Colín, Gabriela. «Greg Mills, Olusegun Obasanjo, Jeffrey Ira Herbst, Tendai Biti Y Ellen Johnson-Sirleaf, Democracy Works: Turning Politics to Africa’s Advantage». Revista Mexicana de Política Exterior, no. 116 (agosto 30, 2019): 281–285. Accedido abril 6, 2025. https://revistadigital.sre.gob.mx/index.php/rmpe/article/view/212.