Kim, Gyeong-il, author
Ocean Publishing, 1999
Buku Teks
Chong, To-sang, author
Sidae ui Chang, 2009
Buku Teks
Seah, David Chee-Meow
Departement of Japanese Studies National University of Singapore, 1995
Buku Teks
Jaspan, M.A., author
The Australian National University, 1964
Buku Teks
Khomyunikheisyeon Pukse, 2009
Buku Teks