APA

United States, . (1980). Disaster assistance Pacific Northwest--Mount Saint Helens eruption: hearing before the Committee on Appropriations, United States Senate, Ninety-sixth Congress, first session : special fiscal year 1980 supplemental hearing. Washington: U.S. G.P.O.

Chicago

United States, . 1980. Disaster assistance Pacific Northwest--Mount Saint Helens eruption: hearing before the Committee on Appropriations, United States Senate, Ninety-sixth Congress, first session : special fiscal year 1980 supplemental hearing. Washington: U.S. G.P.O.

Harvard

United States, . (1980). Disaster assistance Pacific Northwest--Mount Saint Helens eruption: hearing before the Committee on Appropriations, United States Senate, Ninety-sixth Congress, first session : special fiscal year 1980 supplemental hearing. Washington: U.S. G.P.O.

MLA

United States, . Disaster assistance Pacific Northwest--Mount Saint Helens eruption: hearing before the Committee on Appropriations, United States Senate, Ninety-sixth Congress, first session : special fiscal year 1980 supplemental hearing. Washington: U.S. G.P.O. 1980.