Artikel Jurnal
Yekyong Publishing, 2002
Buku Referensi
Marijke J. Klokke, editor; Jon Fonter, foreword
Brill, 2000
Buku Teks
Saunders, E. Dale, author
Princeton University Press, 1960
Buku Teks
Kang, Woobang, author
Art Media Resources, 2005
Buku Teks