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 "Kettering, Judith Carl and University of Pittsburgh. University Center for International Studies",Interaction activities in English as a second language,,The University Center for International Studies. University of Pittsburgh,1975,Developing communicative competence,,0916002071,,https://cir.nii.ac.jp/crid/1130000794815778688