Pankhurst, R. K. P. (1961). An introduction to the economic history of Ethiopia: From early times to 1800. Lalibela House.
Citace podle Chicago (17th ed.)Pankhurst, Richard Keir Pethick. An Introduction to the Economic History of Ethiopia: From Early Times to 1800. Lond.: Lalibela House, 1961.
Citace podle MLA (8th ed.)Pankhurst, Richard Keir Pethick. An Introduction to the Economic History of Ethiopia: From Early Times to 1800. Lalibela House, 1961.
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