Παραπομπή APA

Elsom, D. M. (1992). Atmospheric pollution: A global problem (2nd ed.).

Παραπομπή Chicago Style

Elsom, Derek M. Atmospheric Pollution: A Global Problem. 2nd ed. Oxford, UK ; Cambridge, Mass., USA, 1992.

Παραπομπή MLA

Elsom, Derek M. Atmospheric Pollution: A Global Problem. 2nd ed. 1992.