Littlefield, N. (1962). Metropolitan area problems and municipal home rule. University of Michigan Law School.
Lua i Stíl Chicago (17ú heag.)Littlefield, Neil. Metropolitan Area Problems and Municipal Home Rule. Ann Arbor: University of Michigan Law School, 1962.
Lua MLA (9ú heag.)Littlefield, Neil. Metropolitan Area Problems and Municipal Home Rule. University of Michigan Law School, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.