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 "Z'graggen, J. A.",Classificatory and typological studies in languages of the Madang District,,Australian National University,1971,Pacific linguistics,,0858830698,,https://cir.nii.ac.jp/crid/1130000796531965440