Malthus, T. (1960). On population. Random House.
Chicago-čujuhus (17. p.)Malthus, Thomas. On Population. New York: Random House, 1960.
MLA-čujuhus (9. p.)Malthus, Thomas. On Population. Random House, 1960.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.