UNITED STATES DEPARTMENT OF AGRICULTURE. (1964). A manual on conservation of soil and water. Oxford and IBH.
Chicago Style (17th ed.) CitationUNITED STATES DEPARTMENT OF AGRICULTURE. A Manual on Conservation of Soil and Water. New Delhi: Oxford and IBH, 1964.
MLA引文UNITED STATES DEPARTMENT OF AGRICULTURE. A Manual on Conservation of Soil and Water. Oxford and IBH, 1964.
警告：這些引文格式不一定是100％准確.