1. D.M. Mackinnon, Natural Law, in: H. Butterfield, M. Wight (Eds.), Diplomatic Investigations: Essays in the Theory of International Politics, Allen and Unwin, London, 1966, p. 79.
2. A.I. Meldon, Human Rights, Wadsworth, Belmont, CA, 1970, p. 32.
3. J. Waldren, Nonsense Upon Stilts: Bentham, Burke and Marx on the Rights of Man, Methuen, London, 1990, p. 126.
4. G. Robertson, Crimes Against Humanity, Penguin, Harmondsworth, 2000, pp. 20–24.
5. D. Ritchie, Principles of State Interference, Swan Sonnenschein, London, 1891.