APA

United States, . (1973). Water resources developments and navigational improvements in Alaska: Hearings, Ninety-third Congress, first session. Washington: U.S. Govt. Print. Off.

Chicago

United States, . 1973. Water resources developments and navigational improvements in Alaska: Hearings, Ninety-third Congress, first session. Washington: U.S. Govt. Print. Off.

Harvard

United States, . (1973). Water resources developments and navigational improvements in Alaska: Hearings, Ninety-third Congress, first session. Washington: U.S. Govt. Print. Off.

MLA

United States, . Water resources developments and navigational improvements in Alaska: Hearings, Ninety-third Congress, first session. Washington: U.S. Govt. Print. Off. 1973.