1. Daly, A., & Zannetti, P. (2007). An introduction to air pollution – Definitions, classifications, and history. In P. Zannetti, D. Al-Ajmi, & S. Al-Rashied (Eds.), Ambient air pollution. Freemont: The Arab School for Science and Technology (ASST) and The EnviroComp Institute.
2. Gordon, T., Stanek, L. W., & Brown, J. S. (2014). Air pollution: Sources, regulation, and health effects. In P. Wexler (Ed.), Encyclopedia of toxicology (pp. 995–1002). London: Academic.
3. Hernandez, M. L., & Peden, D. B. (2014). Air pollution: Indoor and outdoor. In N. Adkinson, B. Bochner, A. Burks, W. Busse, S. Holgate, R. Lemanske, R. Hehir, & E. Middleton (Eds.), Middleton’s allergy: Principles and practice. Philadelphia: Elsevier/Saunders.
4. Kampa, M., & Castanas, E. (2008). Human health effects of air pollution. Environmental Pollution, 151(2), 362–367.
5. Rodriguez, Y. R. (2014). Great smog of London. In P. Wexler (Ed.), Encyclopedia of toxicology (pp. 796–797). London: Academic.