Upton, M. (1973). Farm management in Africa: The principles of production and planning. Oxford.
芝加哥风格引文Upton, Martin. Farm Management in Africa: The Principles of Production and Planning. London: Oxford, 1973.
MLA引文Upton, Martin. Farm Management in Africa: The Principles of Production and Planning. Oxford, 1973.
警告：这些引文格式不一定是100％准确.