Aidan Foster-Carter. «PYONGYANG WATCH Hyundai and North Korea: What now?». Asia Times Online, 30-03-2001. Arxivat de l'original el 2018-12-05. [Consulta: 6 juny 2010]. «Kumgangsan - the famously scenic Diamond Mountains just above the DMZ»
Aidan Foster-Carter. «PYONGYANG WATCH Hyundai and North Korea: What now?». Asia Times Online, 30-03-2001. Arxivat de l'original el 2018-12-05. [Consulta: 6 juny 2010]. «Kumgangsan - the famously scenic Diamond Mountains just above the DMZ»