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
"Boyd, H. and Lévesque, H and Dickson, K. M","Changes in reported waterfowl hunting activity and kill in Canada and the United States, 1985-1998",,"Environment Canada, Canadian Wildlife Service",2002,Occasional paper,,0662326571,,https://cir.nii.ac.jp/crid/1130282268638070528