Aptekar, Sofya Socio-Cultural Diversity, MPI for the Study of Religious and Ethnic Diversity, Max Planck Society;
http://rutgerspress.rutgers.edu/product/Road-to-Citizenship,5549.aspx (Publisher version)
Aptekar, S. (2015). The road to citizenship: What naturalization means for immigrants and the United States. New Brunswick: Rutgers University Press.