Marx, K. (1972). The Karl Marx library. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Marx, Karl. The Karl Marx Library. New York: McGraw-Hill, 1972.
Lua MLA (9ú heag.)Marx, Karl. The Karl Marx Library. McGraw-Hill, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.