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 "Callan, Roger J.",An empirical study to determine the pre-eminent range of attributes of United Kingdom hotels as perceived by the hotelier and the customer and to educe how proficiently such ascriptions are measured by hotel classification and grading schemes,,Supplied by the British Library Document Supply Centre,1996,British thesis service,,,,https://cir.nii.ac.jp/crid/1130000795735160448