World Bank. Development Research Group & Cropper, M. L. (1997). The health effects of air pollution in Delhi, India. World Bank.
Čikaški stil citiranja (17. izdanje)World Bank. Development Research Group i Maureen L. Cropper. The Health Effects of Air Pollution in Delhi, India. Washington, D.C: World Bank, 1997.
MLA način citiranja (9. izdanje)World Bank. Development Research Group i Maureen L. Cropper. The Health Effects of Air Pollution in Delhi, India. World Bank, 1997.
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