APA aipamena

Fisher,Louis. (1972). President and congress: Powers and policy. Free press.

Chicago Style aipamena

Fisher,Louis. President and Congress: Powers and Policy. New York: Free press, 1972.

MLA aipamena

Fisher,Louis. President and Congress: Powers and Policy. Free press, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.