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
"Percival, Fred and Trott, A. J. and Association for Educational and Training Technology and Educational Technology International Conference",Flexible learning systems,,"K. Page,Nichols",1987,Aspects of educational technology,,"1850912203,0893972614",,https://cir.nii.ac.jp/crid/1130282272946169216