United States. Board of Engineers for Rivers and Harbors. (1933). Columbia and Snake Rivers, Oreg., Wash., and Idaho: Letter from the chief of engineers, United States army, transmitting report of the Board of engineers for rivers and harbors on review of reports heretofore submitted on Columbia and Snake Rivers, Oreg., Wash., and Idaho, with illustrations. Gov't..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Board of Engineers for Rivers and Harbors. Columbia and Snake Rivers, Oreg., Wash., and Idaho: Letter from the Chief of Engineers, United States Army, Transmitting Report of the Board of Engineers for Rivers and Harbors on Review of Reports Heretofore Submitted on Columbia and Snake Rivers, Oreg., Wash., and Idaho, with Illustrations. Wash.: Gov't., 1933.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Board of Engineers for Rivers and Harbors. Columbia and Snake Rivers, Oreg., Wash., and Idaho: Letter from the Chief of Engineers, United States Army, Transmitting Report of the Board of Engineers for Rivers and Harbors on Review of Reports Heretofore Submitted on Columbia and Snake Rivers, Oreg., Wash., and Idaho, with Illustrations. Gov't., 1933.