Edinburgh University Press, 2004
Buku Teks
edited by Stephan Haggard, Chung H. Lee and Sylvia Maxfield
Cornell University Press, 1993
Buku Teks
Muhammad Ayub, author
John Wiley & Sons Inc., 2010
Buku Teks
Al-Suwailem, Sami, author
Islamic Development Bank,, 2006
Buku Teks
Lahsasna, Ahcene, author
CERT, 2010
Buku Teks