Fisher,Louis. (1972). President and congress: Powers and policy. Free press.
Čikaški stil citiranjaFisher,Louis. President and Congress: Powers and Policy. New York: Free press, 1972.
MLA način citiranjaFisher,Louis. President and Congress: Powers and Policy. Free press, 1972.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.