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
"Shepherdson, David J. and Mellen, Jill D. and Hutchins, Michael and Conference on Environmental Enrichment (1st : 1993 : Metro Washington Park Zoo, Portland, Or.)",Second nature : environmental enrichment for captive animals,,Smithsonian Institution Press,1998,Zoo and aquarium biology and conservation series,,"1560987456,1560983973",,https://cir.nii.ac.jp/crid/1130000795770140032