United States. Congress. House. Committee on Interior and Insular Affairs. (1956). Hells Canyon Dam: Hearings before the Subcommittee on Irrigation and Reclamation on H.R. 4719, H.R. 4739, and H.R. 4740, to authorize the construction, operation, and maintenance of the Hells Canyon Dam on the Snake River between Idaho and Oregon, and for related purposes. U.S. Govt. Print. Off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Congress. House. Committee on Interior and Insular Affairs. Hells Canyon Dam: Hearings Before the Subcommittee on Irrigation and Reclamation on H.R. 4719, H.R. 4739, and H.R. 4740, to Authorize the Construction, Operation, and Maintenance of the Hells Canyon Dam on the Snake River Between Idaho and Oregon, and for Related Purposes. Washington: U.S. Govt. Print. Off., 1956.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Congress. House. Committee on Interior and Insular Affairs. Hells Canyon Dam: Hearings Before the Subcommittee on Irrigation and Reclamation on H.R. 4719, H.R. 4739, and H.R. 4740, to Authorize the Construction, Operation, and Maintenance of the Hells Canyon Dam on the Snake River Between Idaho and Oregon, and for Related Purposes. U.S. Govt. Print. Off., 1956.