Spellman, F. R. (2021). The science of environmental pollution (Fourth edition.). CRC Press.
Lua i Stíl Chicago (17ú heag.)Spellman, Frank R. The Science of Environmental Pollution. Fourth edition. Boca Raton: CRC Press, 2021.
Lua MLA (9ú heag.)Spellman, Frank R. The Science of Environmental Pollution. Fourth edition. CRC Press, 2021.