Burns, J. M. G., & Peltason, J. W. (1972). Government by the people (8th ed.). Prentice Hall.
Παραπομπή Chicago StyleBurns, James Mac Gregor, και J. W. Peltason. Government by the People. 8th ed. New Jerag: Prentice Hall, 1972.
Παραπομπή MLABurns, James Mac Gregor, και J. W. Peltason. Government by the People. 8th ed. Prentice Hall, 1972.
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