KAY, R. D., & EDWARDS, W. M. (1994). Farm management.-- ed.3. McGraw Hill.
芝加哥风格引文KAY, Ronald D., 与 William M. EDWARDS. Farm Management.-- Ed.3. New York: McGraw Hill, 1994.
MLA引文KAY, Ronald D., 与 William M. EDWARDS. Farm Management.-- Ed.3. McGraw Hill, 1994.
警告：这些引文格式不一定是100％准确.