World Bank. Development Research Group & Cropper, M. L. (1997). The health effects of air pollution in Delhi, India. World Bank.
Chicago Style (17. basım) AtıfWorld Bank. Development Research Group ve Maureen L. Cropper. The Health Effects of Air Pollution in Delhi, India. Washington, D.C: World Bank, 1997.
MLA (9th ed.) AtıfWorld Bank. Development Research Group ve Maureen L. Cropper. The Health Effects of Air Pollution in Delhi, India. World Bank, 1997.
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