APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Kahraman, E., & Baig, A. (2010). Environmentalism: Environmental strategies and environmental sustainability. Nova Science Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Elias Kahraman, और Ahmed Baig. Environmentalism: Environmental Strategies and Environmental Sustainability. New York: Nova Science Publishers, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Environmentalism: Environmental Strategies and Environmental Sustainability. Nova Science Publishers, 2010.
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