Population Reports: Population Information Program. The John Hopkims Universtity School of Hygiene and Public Health. Population Information Program.
Chicago-čujuhus (17. p.)Population Reports: Population Information Program. The John Hopkims Universtity School of Hygiene and Public Health. Maryland, Estados Unidos: Population Information Program.
MLA-čujuhus (9. p.)Population Reports: Population Information Program. The John Hopkims Universtity School of Hygiene and Public Health. Population Information Program.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.