United States & International Joint Commission. (1930). Trail smelter reference: Statement on behalf of the government of the United States before the International joint commission, based upon the testimony, given at the hearing beginning January 22, 1930, Washington, D.C. U.S. Govt. print. off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States و International Joint Commission. Trail Smelter Reference: Statement on Behalf of the Government of the United States Before the International Joint Commission, Based upon the Testimony, Given at the Hearing Beginning January 22, 1930, Washington, D.C. Washington: U.S. Govt. print. off., 1930.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States و International Joint Commission. Trail Smelter Reference: Statement on Behalf of the Government of the United States Before the International Joint Commission, Based upon the Testimony, Given at the Hearing Beginning January 22, 1930, Washington, D.C. U.S. Govt. print. off., 1930.