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 Institute of Electrical and Electronics Engineers and IEEE Computer Society. Technical Committee on Operating Systems and Application Environments and IEEE Standards Board and American National Standards Institute,Shell and utilities,,Institute of Electrical and Electronics Engineers,1993,Information technology--portable operating system interface (POSIX),,"1559372559,1559372559",,https://cir.nii.ac.jp/crid/1130000797370010496