APA ציטוט

Michael J. Singer. (2002). Soils an introduction. New Jersey: Prentice Hall.

Trích dẫn kiểu Chicago

Michael J. Singer. Soils an Introduction. New Jersey: Prentice Hall, 2002.

ציטוט MLA

Michael J. Singer. Soils an Introduction. New Jersey: Prentice Hall, 2002.