(en) Michael H. K. Ng et John D. Wong, Civil Unrest and Governance in Hong Kong: Law and Order from Historical and Cultural Perspectives, Taylor & Francis, (ISBN978-1-134-98744-3, lire en ligne)
(en) B. Alan Bourgeois, Shattered Promises: Unveiling the Roots of Civil Unrest in America and the Path to Change, Texas Authors Institute of History, Incorporated, (ISBN979-8-8689-6395-7, lire en ligne)