APA (7th ed.) Zitazioa
Frug, G. E., & Barron, D. J. (2008). City bound: How states stifle urban innovation. Cornell University Press.
Chicago Style (17th ed.) Zitazioa
Frug, Gerald E., eta David J. Barron. City Bound: How States Stifle Urban Innovation. Ithaca: Cornell University Press, 2008.
MLA (9th ed.) Zitazioa
Frug, Gerald E., eta David J. Barron. City Bound: How States Stifle Urban Innovation. Cornell University Press, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.