Urofsky, M. I. . [. (1994). Basic readings in U. S. Democracy. united states informatjion agency.
Chicago Style (17th ed.) ZitazioaUrofsky, Melvin I. [ed.]. Basic Readings in U. S. Democracy. Washington, DC: united states informatjion agency, 1994.
MLA (9th ed.) ZitazioaUrofsky, Melvin I. [ed.]. Basic Readings in U. S. Democracy. united states informatjion agency, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.