APA (7 वां संस्करण) प्रशस्ति पत्र
Waters, B. (2013). Introduction to environmental management: For the NEBOSH national certificate in environmental management. Routledge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Waters, Brian. Introduction to Environmental Management: For the NEBOSH National Certificate in Environmental Management. New York: Routledge, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Waters, Brian. Introduction to Environmental Management: For the NEBOSH National Certificate in Environmental Management. Routledge, 2013.
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