ארמון קומסוסאן – הבדלי גרסאות

* Hassig, Ralph (2009), The Hidden People of North Korea: Everyday Life in the Hermit Kingdom, Rowman & Littlefield, {{ISBN |978-0-7425-6718-4}}

* Kim, Samuel S (2001), The North Korean System in the Post-Cold War Era, Palgrave Macmillan, {{ISBN |978-0-312-23974-9}}

* Kongdan, Oh (2000), North Korea Through the Looking Glass, Brookings Institution Press, {{ISBN |978-0-8157-6435-9}}