Starkey, Paul, author
Edinburgh University Press, 2006
Buku Teks
Cowan, David, author
Cambridge At The University , 1958
Buku Teks
Spiro, Socrates, bey, 1868-, compiler
Elias Modern Press, 1929
Buku Referensi
Badawi, El-Said, author
Routledge, 2004
Buku Referensi
Holes, Clive, author
Longman, 1995
Buku Teks