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
"Turner, Bruce and Tomlinson, Roy and Leyva, Raquel","Wintering populations of Lesser Snow Geese and Ross' Geese in the Northern Highlands of México, 1988-1990",,"Environment Canada, Canadian Wildlife Service",1994,Occasional paper,,0662224434,,https://cir.nii.ac.jp/crid/1130000796943982848