Oxford University Press, 1950
Buku Teks
Ilbert, Sir Courtenay
Oxford University Press, 1950
Buku Teks
Ho, Tae-jeon, author
Elizabert, 2008
Buku Teks
Jeon, Ho-Tae, author
Nj. Seoul : Hollym, 2012
Buku Teks
O`Leary, De Lacy
Hill University of North Carolina Press, 1949
Buku Teks