Patai, Raphael
Hatherleigh Press, 2002
Buku Teks
Patai, Raphael
Recovery Resources Press, 2007
Buku Teks
Glubb, John Bagot
Stein and Day, 1969
Buku Teks SO
Beckingham, C.F.
Macmillan & Co., 1960
Buku Referensi
Faris, Nabih Amin
University of Kansas, 1955
Buku Teks SO