Horowitz, I. L. (1964). The anarchists. Dell.
Lua i Stíl Chicago (17ú heag.)Horowitz, Irving Louis. The Anarchists. New York: Dell, 1964.
Lua MLA (9ú heag.)Horowitz, Irving Louis. The Anarchists. Dell, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.