Eleventh Individual and Small Community Sewage Systems Conference Proceedings, 20-24 October 2007, Warwick, Rhode Island (59 papers). ASABE.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEleventh Individual and Small Community Sewage Systems Conference Proceedings, 20-24 October 2007, Warwick, Rhode Island (59 Papers). ASABE.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEleventh Individual and Small Community Sewage Systems Conference Proceedings, 20-24 October 2007, Warwick, Rhode Island (59 Papers). ASABE.
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