Northern Pacific Railway Company. Land Department. (1872). Settlers' guide to Oregon and Washington Territory, and to the lands of the Northern Pacific Railroad on the Pacific slopes.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Northern Pacific Railway Company. Land Department. Settlers' Guide to Oregon and Washington Territory, and to the Lands of the Northern Pacific Railroad on the Pacific Slopes. New York, 1872.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Northern Pacific Railway Company. Land Department. Settlers' Guide to Oregon and Washington Territory, and to the Lands of the Northern Pacific Railroad on the Pacific Slopes. 1872.
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