Christodoulidis, Emilios A.; Veitch, Scott (2001), "Chapter III The Legal Politics of Amnesty", Lethe's Law: Justice, Law and Ethics in Reconciliation, Hart Publishing, p. 33, ISBN978-1841131092
Benjamin Libet; Anthony Freeman; Keith Sutherland (2000). The Volitional Brain: Towards a Neuroscience of Free Will. Imprint Academic. pp. [1]–. ISBN978-0907845119.