^Kim Sang-chul(김상철). 조중동서 중앙 분리 글쎄요. The Kyunghyang shinmun. December 10, 2003 [April 11, 2012]. (原始内容存档于2021-02-24) (韩语).
^Editorial. Media war. The Korea Herald. January 7, 2009 [April 11, 2012]. (原始内容存档于2012年2月23日). Supporters of the opposition claim there is an "evil" collusion between the government and major newspapers under the guise of adapting to new communications technology.