(1971). Columbia River treaty documents: (Treaty between the United States of America and Canada relating to comparative development of the water resources of the Columbia River Basin, and the documents associated therewith). U.S. Dept. of Interior.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Columbia River Treaty Documents: (Treaty Between the United States of America and Canada Relating to Comparative Development of the Water Resources of the Columbia River Basin, and the Documents Associated Therewith). [Portland, Or.: U.S. Dept. of Interior, 1971.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Columbia River Treaty Documents: (Treaty Between the United States of America and Canada Relating to Comparative Development of the Water Resources of the Columbia River Basin, and the Documents Associated Therewith). U.S. Dept. of Interior, 1971.