Schmidt, M., Glasson, J., Emmelin, L., & Helbron, H. (2008). Standards and Thresholds for Impact Assessment. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-31141-6
Chicago-čujuhus (17. p.)Schmidt, Michael, John Glasson, Lars Emmelin, juo Hendrike Helbron. Standards and Thresholds for Impact Assessment. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. https://doi.org/10.1007/978-3-540-31141-6.
MLA-čujuhus (9. p.)Schmidt, Michael, et al. Standards and Thresholds for Impact Assessment. Springer Berlin Heidelberg, 2008. https://doi.org/10.1007/978-3-540-31141-6.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.