Bingham, R. D., & Hedge, D. (1991). State and local government in a changing society (2nd ed.). McGraw-Hill.
Dyfyniad Arddull ChicagoBingham, Richard D., and David Hedge. State and Local Government in a Changing Society. 2nd ed. New York: McGraw-Hill, 1991.
Dyfyniad MLABingham, Richard D., and David Hedge. State and Local Government in a Changing Society. 2nd ed. McGraw-Hill, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.