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
"Chrétien, C. Douglas (Charles Douglas) and University of California, Berkeley. Institute of International Studies",A Classification of twenty-one Philippine languages,,"University of California, Institute of International Studies, Center for Southeast Asia Studies",1963,Reprint series,,,,https://cir.nii.ac.jp/crid/1130000795359483008