The USA in the world economy / Arnold Herrtje...et.al.
Freeman Cooper & Company, 1984
 Buku Teks
Arabia : The Islamic world review
England : The Islamic Press Agency
 Majalah, Jurnal, Buletin
Watt, William Montgomery
The majesty that was islam: the islamic world 661-1100
Sidwick and Jackson, 1976
 Buku Teks
Cambridge illustrated history of the Islamic world
edited by Francis Robinson
Cambridge University Press, 1996
 Buku Teks
Frampton, Kenneth
Modernity and community : architecture in the Islamic world
Thames & Hudson , 2001
 Buku Teks