Spellman, F. R. (2021). The science of environmental pollution (Fourth edition.). CRC Press.
Chicago-čujuhus (17. p.)Spellman, Frank R. The Science of Environmental Pollution. Fourth edition. Boca Raton: CRC Press, 2021.
MLA-čujuhus (9. p.)Spellman, Frank R. The Science of Environmental Pollution. Fourth edition. CRC Press, 2021.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.