Hatfield, J. (1994). Soil biology: Effects on soil quality. Lewis Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHatfield, J.L. Soil Biology: Effects on Soil Quality. Boca Raton: Lewis Publishers, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHatfield, J.L. Soil Biology: Effects on Soil Quality. Lewis Publishers, 1994.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.