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
"Sigala, Marianna and Christou, Evangelos and Gretzel, Ulrike","Social media in travel, tourism and hospitality : theory, practice and cases",,Ashgate,2012,New directions in tourism analysis,,9781409420910,,https://cir.nii.ac.jp/crid/1130282271136280832