Korean Social Science Research Council, 2003
Majalah, Jurnal, Buletin
edited by Adam Kuper and Jessica Kuper
Routledge, 1996
Buku Referensi
Rosenberg, Alexander, author
John Hopkins University Press, 1980
Buku Teks
Payne, James L., author
Lytton, 1975
Buku Teks
Wright, Burton, author
W.B. Saunders, 1978
Buku Teks