Wheeler, G. M. (1879). Sketch indicating a distribution of the territorial domain of the United States into districts favorable to the operations of parties prosecuting general government surveys. U.S. Army Corps of Engineers.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Wheeler, George M. Sketch Indicating a Distribution of the Territorial Domain of the United States into Districts Favorable to the Operations of Parties Prosecuting General Government Surveys. [Washington, D.C.]: U.S. Army Corps of Engineers, 1879.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Wheeler, George M. Sketch Indicating a Distribution of the Territorial Domain of the United States into Districts Favorable to the Operations of Parties Prosecuting General Government Surveys. U.S. Army Corps of Engineers, 1879.
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