Michael J. Singer. (2002). Soils an introduction. New Jersey: Prentice Hall.
Trích dẫn kiểu ChicagoMichael J. Singer. Soils an Introduction. New Jersey: Prentice Hall, 2002.
MLA引文Michael J. Singer. Soils an Introduction. New Jersey: Prentice Hall, 2002.
警告：这些引文格式不一定是100％准确.