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
"Eugenio, Damiana L. and National Research Council of the Philippines",Philippine folk literature : The riddles,,University of the Philippines press,1994,Philippine folk literature series,,9715420354,,https://cir.nii.ac.jp/crid/1130282273041807488