Hudson, P. (2000). History by numbers: An introduction to quantitative. Arnold.
Chicago-čujuhus (17. p.)Hudson, Pat. History by Numbers: An Introduction to Quantitative. London: Arnold, 2000.
MLA-čujuhus (9. p.)Hudson, Pat. History by Numbers: An Introduction to Quantitative. Arnold, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.