Richardson, Bradley M., author
University of California Press, 1974
Buku Teks
Artikel Jurnal
The Korea Herald, editor
Jimoondong, 2008
Buku Teks
Finkle, Jason L., author
John Wiley & Sons, 1968
Buku Teks
Finkle, Jason L., author
John Wiley & Sons, 1966
Buku Teks