Butterworth, B., & Nix, J. S. (1983). Farm mechanisation for profit. Granada.
芝加哥风格引文Butterworth, Bill, 与 J. S. Nix. Farm Mechanisation for Profit. London: Granada, 1983.
MLA引文Butterworth, Bill, 与 J. S. Nix. Farm Mechanisation for Profit. Granada, 1983.
警告：这些引文格式不一定是100％准确.