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 "Ledingham, John A. and Bruning, Stephen D.",Public relations as relationship management : a relational approach to the study and practice of public relations,,L. Erlbaum Associates,2000,LEA's communication series,,"0805830502,0805841032",,https://cir.nii.ac.jp/crid/1130000795826087424