Prison Labour: Salvation or Slavery? International Perspectives van Zyl Smit, Dirk Innbundet / 2019 / Engelsk
Prison Labour: Salvation or Slavery? International Perspectives van Zyl Smit, Dirk Heftet / 2020 / Engelsk
Principles of European Prison Law and Policy Penology and Human Rights van Zyl Smit, Dirk Heftet / 2011 / Engelsk
Principles of European Prison Law and Policy Penology and Human Rights van Zyl Smit, Dirk Innbundet / 2009 / Engelsk
