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Lua i Stíl Chicago (17ú heag.)Marx, Karl, Friedrich Engels, Gilbert Badia, Jean Mortier, Jean-Paul Barbe, Jean Chabbert, Monika Ponsard, Claude Sebisch, agus Anne Solé. Correspondance. Paris: Editions sociales, 1971.
Lua MLA (8ú heag.)Marx, Karl, et al. Correspondance. Editions sociales, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.