National Bureau of Eco. R. (1960). Demographic & eco. change in dev. countries. Univ. Press.
Chicago-čujuhus (17. p.)National Bureau of Eco. R. Demographic & Eco. Change in Dev. Countries. Princeton: Univ. Press, 1960.
MLA-čujuhus (9. p.)National Bureau of Eco. R. Demographic & Eco. Change in Dev. Countries. Univ. Press, 1960.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.