Netton, Ian Richard, author
Curzon, 2000
Buku Teks
Heinemann, David, author
Terling Paperbacks, 2003
Buku Teks
Armstrong, Amatullah, author
Ferozsons, 2001
Buku Referensi
Armstrong, Amatullah, author
Karachi : Ferozsons, 2001
Buku Teks
Huseyin Bingul
Light, 2006
Buku Teks