Burns, J. M., & Petalson, J. (1963). Government by the People: The Dynamics of American National, State and Local Government (7th ed.). Prentice-Hall of India.
Dyfyniad Arddull ChicagoBurns, James Macgregor, and Jack Petalson. Government by the People: The Dynamics of American National, State and Local Government. 7th ed. New Jersey: Prentice-Hall of India, 1963.
Dyfyniad MLABurns, James Macgregor, and Jack Petalson. Government by the People: The Dynamics of American National, State and Local Government. 7th ed. Prentice-Hall of India, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.