McNichols, T. J. (1977). Policymaking and executive action (5th ed.). McGraw-Hill.
Cita Chicago (17th ed.)McNichols, Thomas J. Policymaking and Executive Action. 5th ed. New York: McGraw-Hill, 1977.
Cita MLA (9th ed.)McNichols, Thomas J. Policymaking and Executive Action. 5th ed. McGraw-Hill, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.