Manale, A., & Hyberg, S. (2021). A Guide to Understanding the Fundamental Principles of Environmental Management: It Ain't Magic: Everything Goes Somewhere. IWA Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रManale, Andy, और Skip Hyberg. A Guide to Understanding the Fundamental Principles of Environmental Management: It Ain't Magic: Everything Goes Somewhere. IWA Publishing, 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रManale, Andy, और Skip Hyberg. A Guide to Understanding the Fundamental Principles of Environmental Management: It Ain't Magic: Everything Goes Somewhere. IWA Publishing, 2021.
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