Online version: Korea. Laws, etc. Yŏkchu Kyŏngguk taejŏn. Chuyŏkp'yŏn. Kyŏnggi-do Sŏngnam-si : Han'guk chŏngsin Munhwa Yŏn'guwŏn, 1986
Online version: Korea. Laws, etc. Yŏkchu Kyŏngguk taejŏn. Chuyŏkp'yŏn. Kyŏnggi-do Sŏngnam-si : Han'guk chŏngsin Munhwa Yŏn'guwŏn, 1986