(2006). Soil and water conservation engineering. Thomson Delmar learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSoil and Water Conservation Engineering. Thomson Delmar learning, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSoil and Water Conservation Engineering. Thomson Delmar learning, 2006.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.