O'BRIEN, Peter. The Muslim question in Europe : political controversies and public philosophies. Philadelphia ; Rome ; Tokyo : Temple University Press, 2016. 1 online zdroj (x, 307 stran). Dostupné na internetu: <http://search.ebscohost.com/login.aspx?direct=true&db=nlebk&AN=1157718&lang=cs&site=eds-live&ebv=EB&ppid=pp_Cover> ISBN 9781439912782.