Marx, K. (1992). Early writings. Penguin Books.
Chicago-čujuhus (17. p.)Marx, Karl. Early Writings. New York: Penguin Books, 1992.
MLA-čujuhus (9. p.)Marx, Karl. Early Writings. Penguin Books, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.