Nichols, R. F. (1967). The disruption of American democracy. Free Press.
Lua i Stíl Chicago (17ú heag.)Nichols, Roy Franklin. The Disruption of American Democracy. N.Y.: Free Press, 1967.
Lua MLA (8ú heag.)Nichols, Roy Franklin. The Disruption of American Democracy. Free Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.