O'Riordan, T. (2000). Environmental science for environmental management (2nd ed.). Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Riordan, Timothy. Environmental Science for Environmental Management. 2nd ed. Essex, Eng: Prentice-Hall, 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रO'Riordan, Timothy. Environmental Science for Environmental Management. 2nd ed. Prentice-Hall, 2000.
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