Hart, J. (1970). The ordinance making powers of the President of the United States. Da Capo Press.
Cita Chicago (17th ed.)Hart, James. The Ordinance Making Powers of the President of the United States. New York: Da Capo Press, 1970.
Cita MLA (8th ed.)Hart, James. The Ordinance Making Powers of the President of the United States. Da Capo Press, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.