United States. Army. Corps of Engineers. Seattle District. Environmental Resources Section & University of Washington. Institute for Environmental Studies. (1975). Washington environmental atlas (2d ed.). The Section ; for sale by the Supt. of Docs., U.S. Govt. Print. Off..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United States. Army. Corps of Engineers. Seattle District. Environmental Resources Section và University of Washington. Institute for Environmental Studies. Washington Environmental Atlas. 2d ed. Seattle, Wash. : Washington: The Section ; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1975.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)United States. Army. Corps of Engineers. Seattle District. Environmental Resources Section và University of Washington. Institute for Environmental Studies. Washington Environmental Atlas. 2d ed. The Section ; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1975.