MARX, K. (1971). Revolution and counter revolution. Capricorn.
Lua i Stíl Chicago (17ú heag.)MARX, Karl. Revolution and Counter Revolution. New York: Capricorn, 1971.
Lua MLA (9ú heag.)MARX, Karl. Revolution and Counter Revolution. Capricorn, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.