एपीए उद्धरण

Carter, M., & Gregorich, E. (2009). Soil Sampling and Methods of Analysis, Second Edition. CRC Press.

शिकागो स्टाइल उद्धरण

Carter, M.R., और E.G Gregorich. Soil Sampling and Methods of Analysis, Second Edition. CRC Press, 2009.

एमएलए उद्धरण

Carter, M.R., और E.G Gregorich. Soil Sampling and Methods of Analysis, Second Edition. CRC Press, 2009.