Malthus, T. (1959). Population: The first essay. Univ. Press.
Chicago-čujuhus (17. p.)Malthus, Thomas. Population: The First Essay. Michigan: Univ. Press, 1959.
MLA-čujuhus (9. p.)Malthus, Thomas. Population: The First Essay. Univ. Press, 1959.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.