Elsom, D. (1996). Smog Alert: Managing Urban Air Quality. Earthscan Publications Ltd.
Citazione stile Chigago Style (17a edizione)Elsom, Derek. Smog Alert: Managing Urban Air Quality. London: Earthscan Publications Ltd, 1996.
Citatione MLA (9a ed.)Elsom, Derek. Smog Alert: Managing Urban Air Quality. Earthscan Publications Ltd, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.