著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL United States. Forest Service,The outlook for timber in the United States,,"For sale by the Supt. of Docs., U.S. Govt. Print. Off.]",1973,Forest resource report,,,,https://cir.nii.ac.jp/crid/1130000794444664448