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 "Whitaker, John O. and Elman, Robert and Nehring, Carol and National Audubon Society",National Audubon Society field guide to North American mammals,Eleventh printing,Knopf : distributed by Random House,1995,National Audubon Society field guide series,,0394507622,,https://cir.nii.ac.jp/crid/1130282268912470016