Elsom, D. M. (1992). Atmospheric pollution: A global problem (2nd ed.). Blackwell.
Lua i Stíl Chicago (17ú heag.)Elsom, Derek M. Atmospheric Pollution: A Global Problem. 2nd ed. Oxford: Blackwell, 1992.
Lua MLA (9ú heag.)Elsom, Derek M. Atmospheric Pollution: A Global Problem. 2nd ed. Blackwell, 1992.
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