Field Museum of Natural History. (1907). Annual report of the Director to the Board of Trustees for the year . Field Museum of Natural History.
Citace podle Chicago (17th ed.)Field Museum of Natural History. Annual Report of the Director to the Board of Trustees for the Year . Chicago, U.S.A.: Field Museum of Natural History, 1907.
Citace podle MLA (8th ed.)Field Museum of Natural History. Annual Report of the Director to the Board of Trustees for the Year . Field Museum of Natural History, 1907.
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