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
"Stewart, David W. and Shamdasani, Prem N.",Focus groups : theory and practice,3rd ed,SAGE,2015,Applied social research methods series,,9781452270982,,https://cir.nii.ac.jp/crid/1130282272434064000