UNITED STATES DEPARTMENT OF AGRICULTURE. (1964). A manual on conservation of soil and water. Oxford and IBH.
芝加哥风格引文UNITED 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：这些引文格式不一定是100％准确.