Pankhurst, R. K. P. (1961). An introduction to the economic history of Ethiopia: From early times to 1800. Lalibela House.
芝加哥风格引文Pankhurst, Richard Keir Pethick. An Introduction to the Economic History of Ethiopia: From Early Times to 1800. Lond.: Lalibela House, 1961.
MLA引文Pankhurst, Richard Keir Pethick. An Introduction to the Economic History of Ethiopia: From Early Times to 1800. Lalibela House, 1961.
警告：这些引文格式不一定是100％准确.