^What Are the Origins of Reasonable Doubt?, HNN.us (页面存档备份,存于互联网档案馆), February 25, 2008.(英文)
^Grechenig, Nicklisch & Thoeni, Punishment Despite Reasonable Doubt - A Public Goods Experiment with Sanctions under Uncertainty, Journal of Empirical Legal Studies (JELS) 2010, vol. 7 (4), p. 847-867 (ssrn).
^Goodman, Carl F. Rule of Law in Japan : A Comparative Analysis - What You See May Not Be What You Get. Kluwer Law International. 2003: 253. ISBN 9789041189035.