FAIR, G. M. .. (1981). Elements Of Water Supply And Wastewater Disposal Gordon Maskew Fair; John Charles Geyer And Daniel Alexander Okun. John Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFAIR, Gordon Maskew ...[et.al.]. Elements Of Water Supply And Wastewater Disposal Gordon Maskew Fair; John Charles Geyer And Daniel Alexander Okun. John Wiley, 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFAIR, Gordon Maskew ...[et.al.]. Elements Of Water Supply And Wastewater Disposal Gordon Maskew Fair; John Charles Geyer And Daniel Alexander Okun. John Wiley, 1981.
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