Burns, J. M., & Peltason, J. W. (1987). Government by the people: Bicentennial edition 1987-1989 (13th ed.). Prentice-Hall.
Cita Chicago (17th ed.)Burns, James MacGregor, i J. W. Peltason. Government by the People: Bicentennial Edition 1987-1989. 13th ed. New York: Prentice-Hall, 1987.
Cita MLA (9th ed.)Burns, James MacGregor, i J. W. Peltason. Government by the People: Bicentennial Edition 1987-1989. 13th ed. Prentice-Hall, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.