Holstein, John
Seoul Selection, 1982
Buku Teks
P. F. Collier & Son Corporation, 1959
Buku Teks
Charles W. Eliot, edited
P. F. Collier & Son Corporation, 1959 ; 1969
Buku Referensi
O`grady, William
Cambridge University Press, 2007
Buku Teks
edited by Charles W. Eliot
P. F. Collier & Son Corporation, 1959; 1969
Buku Referensi