Hawkins, K. (1984). Environment and enforcement: Regulation and the social definition of pollution. Clarendon Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHawkins, Keith. Environment and Enforcement: Regulation and the Social Definition of Pollution. Oxford: Clarendon Press, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHawkins, Keith. Environment and Enforcement: Regulation and the Social Definition of Pollution. Clarendon Press, 1984.
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