KAY, R. W. M. P. A. D. (2020). Farm management. Mc Graw - Hill.
芝加哥风格引文KAY, Ronald William M.Edwards Patricia A. Duffy. Farm Management. Mc Graw - Hill, 2020.
MLA引文KAY, Ronald William M.Edwards Patricia A. Duffy. Farm Management. Mc Graw - Hill, 2020.
警告：这些引文格式不一定是100％准确.