• Holod, Renata. 1997. The Contemporary Mosque. New York: Rizzoli (Introduction and Chapter 6 “Islamic Centers in the West”)

• Roy, Olivier. 2004. Globalized Islam: The Search for a new umma. Columbia University Press. (Ch. 5 “Islam in the West or the Westernization of Islam?” pp 201-220.

Have a look at this recent article about the opening of Germany's largest mosque