Dahl, R. A. (1967). Pluralist Democracy in the United States. Scientific book agency.
Chicago Style aipamenaDahl, Robert A. Pluralist Democracy in the United States. Calcutta: Scientific book agency, 1967.
MLA aipamenaDahl, Robert A. Pluralist Democracy in the United States. Scientific book agency, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.