MUhammad Munir, author
Cambridge University Press , 2008
Artikel Jurnal
The Ligh, 2004
Buku Teks
Stefan, Susan, author
Oxford University Press, 2016
eBooks
Urofsky, Melvin I., author
University Press of Kansas, 2000
Buku Teks
Kharofa, Ala Eddin, author
A.S. Noordeen, 2009
Buku Teks