APA

United States, . (1969). Trans-Alaska pipeline: hearings, 91st Congress, 1st session, on status of proposed Trans-Alaska pipeline. [Washington, D.C.]: .

Chicago

United States, . 1969. Trans-Alaska pipeline: hearings, 91st Congress, 1st session, on status of proposed Trans-Alaska pipeline. [Washington, D.C.]: .

Harvard

United States, . (1969). Trans-Alaska pipeline: hearings, 91st Congress, 1st session, on status of proposed Trans-Alaska pipeline. [Washington, D.C.]: .

MLA

United States, . Trans-Alaska pipeline: hearings, 91st Congress, 1st session, on status of proposed Trans-Alaska pipeline. [Washington, D.C.]: . 1969.