Evans, B. (1998). Traces of the trails: A guide to historic trails and wagon road sites on public lands in eastern Oregon. U.S. Dept. of the Interior, Bureau of Land Management, Vale District ; Trail Tenders, Inc..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Evans, Bob. Traces of the Trails: A Guide to Historic Trails and Wagon Road Sites on Public Lands in Eastern Oregon. Baker City, Or.: U.S. Dept. of the Interior, Bureau of Land Management, Vale District ; Trail Tenders, Inc., 1998.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Evans, Bob. Traces of the Trails: A Guide to Historic Trails and Wagon Road Sites on Public Lands in Eastern Oregon. U.S. Dept. of the Interior, Bureau of Land Management, Vale District ; Trail Tenders, Inc., 1998.
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