Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Pearce, Douglas G. and Butler, Richard",Contemporary issues in tourism development,,Routledge : International Academy for the Study of Tourism,1999,Routledge advances in tourism,,"041520691X,0415271673",,https://cir.nii.ac.jp/crid/1130000794487816704