Watson, Sam, author
Penguins Books, 1990
Buku Teks
Kim, Il Sung, author
Foreign Languages Publishing House, 1994
Buku Teks
Kyowon Siamun , 1990
Buku Teks
Foreign Languages , 1969
Buku Teks
McKnight, Brian E., author
University of Chicago Press, 1971
Buku Teks