Evans, B. Ifor
Penguin Books, 1944
Buku Teks
Powell, Robert, author
Periplus, 2004
Buku Teks
Houn, Franklin W.
Prenrice-Hall , 1973
Buku Teks
Thanh-Luong, author
Foreign Language Publishing Haouse, 1955
Buku Teks
El-ashker, Ahmed, author
Brill, 2006
Buku Teks