United States. North Cascades Study Team, United States. Department of the Interior, & United States. Department of Agriculture. (1965). The North Cascades: A report to the Secretary of the Interior and the Secretary of Agriculture. U.S. Dept. of the Interior : U.S. Dept. of Agriculture.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. North Cascades Study Team, United States. Department of the Interior, و United States. Department of Agriculture. The North Cascades: A Report to the Secretary of the Interior and the Secretary of Agriculture. [Washington, D.C.]: U.S. Dept. of the Interior : U.S. Dept. of Agriculture, 1965.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. North Cascades Study Team, et al. The North Cascades: A Report to the Secretary of the Interior and the Secretary of Agriculture. U.S. Dept. of the Interior : U.S. Dept. of Agriculture, 1965.