Cohen, R. S. Marxism and Democracy: Robert S. Cohen. Marxism and democracy : a symposium.(1965).
Lua i Stíl Chicago (17ú heag.)Cohen, Robert S. "Marxism and Democracy: Robert S. Cohen." Marxism and Democracy : A Symposium.(1965) .
Lua MLA (8ú heag.)Cohen, Robert S. "Marxism and Democracy: Robert S. Cohen." Marxism and Democracy : A Symposium.(1965), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.