APA-čujuhus (7. p.)
Wrigley, N. (1985). Categorical Data Analysis for geographers and environmental scientists. Longman.
Chicago-čujuhus (17. p.)
Wrigley, Neil. Categorical Data Analysis for Geographers and Environmental Scientists. London [usw.]: Longman, 1985.
MLA-čujuhus (9. p.)
Wrigley, Neil. Categorical Data Analysis for Geographers and Environmental Scientists. Longman, 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.