Hancock, G. (1985). Ethiopia: The challenge of hunger. Victor Gollancz.
芝加哥风格引文Hancock, Graham. Ethiopia: The Challenge of Hunger. London: Victor Gollancz, 1985.
MLA引文Hancock, Graham. Ethiopia: The Challenge of Hunger. Victor Gollancz, 1985.
警告：这些引文格式不一定是100％准确.