PRITCHETT, C. H. (1971). The American constitutional system (4th ed.). McGraw-Hill.
Cita Chicago (17th ed.)PRITCHETT, C. Herman. The American Constitutional System. 4th ed. New York: McGraw-Hill, 1971.
Cita MLA (9th ed.)PRITCHETT, C. Herman. The American Constitutional System. 4th ed. McGraw-Hill, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.