Polley, B. J. (1961). Planning and zoning in the United States. University of Michigan Law School.
Cita Chicago Style (17a ed.)Polley, Beverley J. Planning and Zoning in the United States. Ann Arbor: University of Michigan Law School, 1961.
Cita MLA (9a ed.)Polley, Beverley J. Planning and Zoning in the United States. University of Michigan Law School, 1961.
Precaución: Estas citas no son 100% exactas.