APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, & El-Nemr, A. (2010). Impact, monitoring and management of environmental pollution. Nova Science Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Ahmed El-Nemr. Impact, Monitoring and Management of Environmental Pollution. Hauppauge, N.Y.: Nova Science Publishers, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Ahmed El-Nemr. Impact, Monitoring and Management of Environmental Pollution. Nova Science Publishers, 2010.
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