Korea : The Korean Research Center
Majalah, Jurnal, Buletin
Stannage, C.T.
Carroll's for Perth City Council, 1979.
Buku Teks
Simmel, Georg
Buku Teks
New York : The American College
Majalah, Jurnal, Buletin
Laiden : Brill Academic Publishers
Majalah, Jurnal, Buletin