1. Lori F. Damrosch, ‘Politics across borders: Non-intervention and nonforcible influence over domestic affairs’, The American Journal of International Law, Vol. 83(1), January 1989, p. 3.
2. Adam Watson, The Evolution of International Society: A Comparative Historical Analysis, Routledge, London, 1992, p. 53.
3. Oran R. Young, ‘Intervention and international systems’, Journal of International Affairs, Vol. 22(2), 1968, p. 179.
4. James N. Rosenau, ‘Intervention as a scientific concept’, Journal of Conflict Resolution, Vol. 13(2), 1969, p. 160.
5. Hedley Bull, ‘Introduction’, in Bull (ed.), Intervention in World Politics, Clarendon Press, Oxford, 1986, p. 2.