(1955). The yearbook of agriculture 1955 - Water. Washington: U.S.Department of Agriculture.
Trích dẫn kiểu ChicagoThe Yearbook of Agriculture 1955 - Water. Washington: U.S.Department of Agriculture, 1955.
ציטוט MLAThe Yearbook of Agriculture 1955 - Water. Washington: U.S.Department of Agriculture, 1955.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.