Vertovec, Steven Socio-Cultural Diversity, MPI for the Study of Religious and Ethnic Diversity, Max Planck Society;
http://www.tandfonline.com/eprint/8mMC83rY4mkBcfEaP5ii/full#.VFI9PxaaoqJ (Any fulltext)
Vertovec, S., Hiebert, D., & Rath, J. (2015). Urban markets and diversity: towards a research agenda. Ethnic and Racial Studies, 38(1), 5-21. doi:10.1080/01419870.2014.953969.