Schaefer, Bernd. «North Korean Unification Policy . 179». в From Past to Present: Korean Culture, History, and Politics, под редакцией Marek Hańderek, Joanna Hosaniak, 179–190. Poland: Księgarnia Akademicka Publishing, 2025. просмотрено ноябрь 5, 2026. https://books.akademicka.pl/publishing/catalog/book/751/chapter/16479.