(2006). Soil and water conservation engineering. New York: Thomson Delmar Learning.
Trích dẫn kiểu ChicagoSoil and Water Conservation Engineering. New York: Thomson Delmar Learning, 2006.
ציטוט MLASoil and Water Conservation Engineering. New York: Thomson Delmar Learning, 2006.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.