Carter, M., & Gregorich, E. (2009). Soil Sampling and Methods of Analysis, Second Edition. CRC Press.
Trích dẫn kiểu ChicagoCarter, M.R., và E.G Gregorich. Soil Sampling and Methods of Analysis, Second Edition. CRC Press, 2009.
ציטוט MLACarter, M.R., và E.G Gregorich. Soil Sampling and Methods of Analysis, Second Edition. CRC Press, 2009.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.