Elsom, D. M. (1992). Atmospheric pollution: A global problem (2nd ed.).
Chicago Edition CitationElsom, Derek M. Atmospheric Pollution: A Global Problem. 2nd ed. Oxford, UK ; Cambridge, Mass., USA, 1992.
Cita MLAElsom, Derek M. Atmospheric Pollution: A Global Problem. 2nd ed. 1992.
Atenció: Aquestes cites poden no estar 100% correctes.