McGregor, J. . B., & Burns, J. M. (1997). Government by the people (2nd ed.). Prentice Hall.
Cita Chicago (17th ed.)McGregor, James B., i James MacGregor Burns. Government by the People. 2nd ed. Upper Saddle River, New Jersey: Prentice Hall, 1997.
Cita MLA (9th ed.)McGregor, James B., i James MacGregor Burns. Government by the People. 2nd ed. Prentice Hall, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.