Leland, W. G., & Mereness, N. D. (1926). Introduction to the American official sources for the economic and social history of the World War (I). Yale U.P..
Citace podle Chicago (17th ed.)Leland, Waldo G., a Newton D. Mereness. Introduction to the American Official Sources for the Economic and Social History of the World War (I). New Haven: Yale U.P., 1926.
Citace podle MLA (8th ed.)Leland, Waldo G., a Newton D. Mereness. Introduction to the American Official Sources for the Economic and Social History of the World War (I). Yale U.P., 1926.
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