Lua APA (7ú heag.)

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.

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