Petersen, William, author
Macmillan, 1969
Buku Teks
Petersen, William, author
Macmillan, 1969
Buku Teks
edited by Paul Harrison
Oxford University Press, 1996
Buku Teks
Kim, Sook-Hwei, author
Ihwa Woman University, 2010
Buku Teks
Kang Chong-hun 강종훈, author
Ungjin Chisik Hausŭ, 2011
Buku Teks