Singer, A., & Hardwick, S. W. (2008). Twenty-first-century gateways: Immigrant incorporation in suburban America. Brookings Institution Press.
Chicago Style aipamenaSinger, Audrey, và Susan W. Hardwick. Twenty-first-century Gateways: Immigrant Incorporation in Suburban America. Brookings Institution Press, 2008.
MLA aipamenaSinger, Audrey, và Susan W. Hardwick. Twenty-first-century Gateways: Immigrant Incorporation in Suburban America. Brookings Institution Press, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.