Marx, K., & Engels, F. (1975). On religion. Progress Publishers.
Chicago-čujuhus (17. p.)Marx, Karl, juo Friedrich Engels. On Religion. Moscow: Progress Publishers, 1975.
MLA-čujuhus (9. p.)Marx, Karl, juo Friedrich Engels. On Religion. Progress Publishers, 1975.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.