Marx, K., & McLellan, D. (2000). Selected writings (2nd ed.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Marx, Karl, agus David McLellan. Selected Writings. 2nd ed. Oxford ; New York: Oxford University Press, 2000.
Lua MLA (8ú heag.)Marx, Karl, agus David McLellan. Selected Writings. 2nd ed. Oxford University Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.