Elleinstein, J. (1982). Marx. Fayard.
Lua i Stíl Chicago (17ú heag.)Elleinstein, Jean. Marx. Paris: Fayard, 1982.
Lua MLA (8ú heag.)Elleinstein, Jean. Marx. Fayard, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.