1. Abeysekara, Ananda. 2001. The Saffron Army, Violence, Terror(ism): Buddhism, Identity, and Difference in Sri Lanka. Numen 48 (1): 1–46.
2. Augustine of Hippo (St Augustine). undated. Contra Faustum Manichæum, Book 22. 69–76. Early Church Texts.
http://www.earlychurchtexts.com/public/augustine_war_contra_faustum.htm
3. Bartholomeusz, Tessa. 2002. In Defense of Dharma: Just-War Ideology in Buddhist Sri Lanka. London/New York: Routledge.
4. Brahmavamso, Ajahn. 1996. Vinaya: The Four Disrobing Offences. Newsletter, April–June. Perth, Australia: The Buddhist Society of Western Australia.
http://www.budsas.org/ebud/ebsut019.htm
5. Buddha Dharma Education Association/Buddhanet. 2008. Unit Six: The Four Immeasurables. Buddhist Studies, Secondary Level.
http://www.buddhanet.net/e-learning/buddhism/bs-s15.htm