Ha, Tae Hung
Yonsei University Press, 1970
Buku Teks SO
Schindler, Kurt
Hispanic institute in the United States, 1941
Buku Teks SO
Josua Steven Mangara
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2017
UI - Tugas Akhir
Pak, Jong Soeb
Moonchangsa, 2007
Buku Teks
Kim, Thae-Jun
Bakijeong, 2011
Buku Teks