Huberman, L. (1968). Introduction to socialism. Progressive Book Depot.
Chicago-čujuhus (17. p.)Huberman, L. Introduction to Socialism. New Delhi: Progressive Book Depot, 1968.
MLA-čujuhus (9. p.)Huberman, L. Introduction to Socialism. Progressive Book Depot, 1968.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.