United States, Metzger, J. A., & Murdock, J. O. (1930). Trail smelter reference: Brief for the government of the United States submitted to the International joint commission. U.S. Govt. print. off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States, Jacob Allen Metzger, و James Oliver Murdock. Trail Smelter Reference: Brief for the Government of the United States Submitted to the International Joint Commission. Washington: U.S. Govt. print. off., 1930.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States, et al. Trail Smelter Reference: Brief for the Government of the United States Submitted to the International Joint Commission. U.S. Govt. print. off., 1930.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.