Coulter, E. M. (1981). Principles of politics and Government. Allyn and Bacon.
Citazione stile Chigago Style (17a edizione)Coulter, Edwin M. Principles of Politics and Government. Boston: Allyn and Bacon, 1981.
Citatione MLA (9a ed.)Coulter, Edwin M. Principles of Politics and Government. Allyn and Bacon, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.