James Nickel, with assistance from Thomas Pogge, M.B.E. Smith, and Leif Wenar, December 13, 2013, Stanford Encyclopedia of Philosophy, Human Rights, Retrieved August 14, 2014 نسخة محفوظة 2019-08-05 في Wayback Machine
James Nickel, with assistance from Thomas Pogge, M.B.E. Smith, and Leif Wenar, December 13, 2013, Stanford Encyclopedia of Philosophy, Human Rights, Retrieved August 14, 2014 نسخة محفوظة 2019-08-05 في Wayback Machine