Howard, John Tasker, author
Thomas Y. Crowell, 1946
Buku Teks
Jiang, Xiandong, author
Intercontinental Press, 2010
Buku Teks
P. F. Collier & Son Corporation, 1959 ; 1969
Buku Teks
Charles W. Eliot, edited
Grolier Enterprises Corp., 1995
Buku Referensi
Ussher, Arland
The New American Library, 1957
Buku Teks