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 "McCune, Shannon Boyd-Bailey",The physiographic regions of the Ryukyu Islands : Okinawa,,"University of Florida, Dept. of Geography",1973,"Ryukyu Islands project, research and information papers",,,,https://cir.nii.ac.jp/crid/1130000797098781824