Fisher, L. (1972). President and Congress: Power and policy. Free Press.
Cita Chicago Style (17a ed.)Fisher, Louis. President and Congress: Power and Policy. New York: Free Press, 1972.
Cita MLA (9a ed.)Fisher, Louis. President and Congress: Power and Policy. Free Press, 1972.
Precaución: Estas citas no son 100% exactas.