Stevenson, William, author
Houghton Mifflin , 1959
Buku Teks
Lewis, John W., author
Cornell University Press, 1963
Buku Teks
Thornton, Richard C., author
Westview Press, 1982
Buku Teks
Belden, Jack
MR, 1970
Buku Teks
Chen, Po-ta, author
Foreign Languages Press, 1954
Buku Teks