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
"Oltrogge, David Frederick and Rensch, Calvin R. (Calvin Ross)",Two studies in Middle American comparative linguistics,,Summer Institute of Linguistics,1977,Summer Institute of Linguistics publications in linguistics,,,,https://cir.nii.ac.jp/crid/1130282273079812736