PRESSAT, R. (1974). A workbook in demography. Methuen.
Chicago-čujuhus (17. p.)PRESSAT, Roland. A Workbook in Demography. London: Methuen, 1974.
MLA-čujuhus (9. p.)PRESSAT, Roland. A Workbook in Demography. Methuen, 1974.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.