Clayton, E. (1983). Agriculture, poverty, and freedom in developing countries. Macmillan.
芝加哥风格引文Clayton, E. Agriculture, Poverty, and Freedom in Developing Countries. London: Macmillan, 1983.
MLA引文Clayton, E. Agriculture, Poverty, and Freedom in Developing Countries. Macmillan, 1983.
警告：这些引文格式不一定是100％准确.