Waten, Judah
Angus and Robertson Publishers, 1982
Buku Teks
Carter, Jimmy, author
Simon & Schuster, 2003
Buku Teks
Freeborn, Richard, author
Cambridge University Press, 1985
Buku Teks
Tanham, George K., author
Frederick A. Praeger, 1962
Buku Teks
Wilmot, Chester, author
ST. James`s Place, 1952
Buku Teks