Strangeways, l. (2000). Measuring the natural environment. Univ. Pr.
Chicago-čujuhus (17. p.)Strangeways, lan. Measuring the Natural Environment. Cambridge: Univ. Pr, 2000.
MLA-čujuhus (9. p.)Strangeways, lan. Measuring the Natural Environment. Univ. Pr, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.