British Broadcasting Corporation. Monitoring Service (September 1974). "Togolese President's visit to N Korea: co-operation agreement (FE/4701/A5/12)". Summary of World Broadcasts: Far East. Monitoring Service of the British Broadcasting Corporation.
박정애(朴正愛) [Pak Chong-ae]. North Korean Human Geography (in Korean). Seoul: Institute for Peace Affairs. Archived from the original on 23 August 2017. Retrieved 17 December 2016.
doi.org
Thomas 2014, p. 106. Thomas, Dean (2014). "Flags and Emblems of the Democratic People's Republic of Korea". Raven: A Journal of Vexillology. 21: 95–115. doi:10.5840/raven2014215. ISSN1071-0043.
dtic.mil
"Asia". Dtic.mil. Archived from the original on 8 April 2013. Retrieved 11 October 2010.
박정애(朴正愛) [Pak Chong-ae]. North Korean Human Geography (in Korean). Seoul: Institute for Peace Affairs. Archived from the original on 23 August 2017. Retrieved 17 December 2016.
Thomas 2014, p. 106. Thomas, Dean (2014). "Flags and Emblems of the Democratic People's Republic of Korea". Raven: A Journal of Vexillology. 21: 95–115. doi:10.5840/raven2014215. ISSN1071-0043.
Baik Bong (1970). Kim Il Sung Biography: From Building Democratic Korea to Chullima Flight. Vol. 2. Tokyo: Miraisha. p. 405. OCLC630184658.