Marx, K., & Engels, F. (1968). Selected works [of] Karl Marx and Frederick Engels. Progress.
Lua i Stíl Chicago (17ú heag.)Marx, Karl, agus Friedrich Engels. Selected Works [of] Karl Marx and Frederick Engels. Moscow: Progress, 1968.
Lua MLA (9ú heag.)Marx, Karl, agus Friedrich Engels. Selected Works [of] Karl Marx and Frederick Engels. Progress, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.